diff --git a/.gitignore b/.gitignore
index 32eeed3e46ef45362294d46f624d6b90d3224d2e..5de430319f942682329bd0b17389f8184dad0c0b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
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-target
 .project
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diff --git a/Doc/.gitignore b/Doc/.gitignore
index f18803642c6a4c97f532377212cf2115a727a57b..37a95f76441415d03fc5f101e7b1b7448a773f1d 100644
--- a/Doc/.gitignore
+++ b/Doc/.gitignore
@@ -1,5 +1,4 @@
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diff --git a/Doc/Sd1/Ref/Interfaces/P/iface/.gitignore b/Doc/Sd1/Ref/Interfaces/P/iface/.gitignore
deleted file mode 100644
index a0d4d25de76264e0f62b4918604bfb2b763b8b5c..0000000000000000000000000000000000000000
--- a/Doc/Sd1/Ref/Interfaces/P/iface/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
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-.idea
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diff --git a/Doc/Sd1/Ref/ObjectsAndClasses/DependencyExample/Helper/.gitignore b/Doc/Sd1/Ref/ObjectsAndClasses/DependencyExample/Helper/.gitignore
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@@ -1,8 +0,0 @@
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\ No newline at end of file
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deleted file mode 100644
index 2275479e375a621edeb852701cba9ea53b67ee7e..0000000000000000000000000000000000000000
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deleted file mode 100644
index 2275479e375a621edeb852701cba9ea53b67ee7e..0000000000000000000000000000000000000000
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deleted file mode 100644
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deleted file mode 100644
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-.idea
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deleted file mode 100644
index 0f65e3ad793981d41fbc541f88a6dc777597c115..0000000000000000000000000000000000000000
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diff --git a/Klausuren/Sda1/2018Summer/Exam/.gitignore b/Klausuren/Sda1/2018Summer/Exam/.gitignore
deleted file mode 100644
index f003c82bb57d9df0ae89c2931d26821c30b7e478..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/2018Summer/Exam/.gitignore
+++ /dev/null
@@ -1,29 +0,0 @@
-/.idea/
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-.classpath
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-# CMake
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-# IntelliJ
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deleted file mode 100644
index 2466dd25810ef6550a2ec2bc9c591223c21a0f1a..0000000000000000000000000000000000000000
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diff --git a/Klausuren/Sda1/2018Winter/Exam/.gitignore b/Klausuren/Sda1/2018Winter/Exam/.gitignore
deleted file mode 100644
index b9badad8bb4e17e143e4087458cdfe6f0710c24b..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/2018Winter/Exam/.gitignore
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-.idea
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diff --git a/Klausuren/Sda1/2018Winter/Solve/.gitignore b/Klausuren/Sda1/2018Winter/Solve/.gitignore
deleted file mode 100644
index 1c0837dafefd658e70bebe46f9daece143b477b6..0000000000000000000000000000000000000000
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diff --git a/P/Sd1/Array/marking/.gitignore b/P/Sd1/Array/marking/.gitignore
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\ No newline at end of file
diff --git a/P/Sd1/Euler/11/largestproductingrid/.gitignore b/P/Sd1/Euler/11/largestproductingrid/.gitignore
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diff --git a/P/Sd1/Projects/PoorMansGrep/.gitignore b/P/Sd1/Projects/PoorMansGrep/.gitignore
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diff --git a/P/Sd1/RectangleSort/.gitignore b/P/Sd1/RectangleSort/.gitignore
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diff --git a/P/Sda1/Jdbc/Insert/MinimumTest/.gitignore b/P/Sda1/Jdbc/Insert/MinimumTest/.gitignore
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index 7913c9beebc7f8a17a72343401f27a01c881bbcf..0000000000000000000000000000000000000000
--- a/P/Sda1/Jdbc/Insert/MinimumTest/.gitignore
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diff --git a/P/Sda1/Jdbc/Insert/Prepared/.gitignore b/P/Sda1/Jdbc/Insert/Prepared/.gitignore
deleted file mode 100644
index 7913c9beebc7f8a17a72343401f27a01c881bbcf..0000000000000000000000000000000000000000
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diff --git a/P/Sda1/Jdbc/Users/Plain/.gitignore b/P/Sda1/Jdbc/Users/Plain/.gitignore
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diff --git a/P/Sda1/Jpa/LectureOperations/.gitignore b/P/Sda1/Jpa/LectureOperations/.gitignore
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diff --git a/P/Sda1/Jpa/rdbms2catalog/skeleton/.gitignore b/P/Sda1/Jpa/rdbms2catalog/skeleton/.gitignore
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diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/.gitignore b/P/Sda1/Jpa/rdbms2catalog/solution/.gitignore
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diff --git a/P/Sda1/NoCast/.gitignore b/P/Sda1/NoCast/.gitignore
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diff --git a/P/Sda1/saxerrorhandler/.gitignore b/P/Sda1/saxerrorhandler/.gitignore
deleted file mode 100644
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diff --git a/P/Sda2/Jpa/Cd/.gitignore b/P/Sda2/Jpa/Cd/.gitignore
deleted file mode 100644
index b21988c2ef29598821d61ae8c314b6cd19d8707c..0000000000000000000000000000000000000000
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diff --git a/P/Sda2/Jpa/Inherit/Tpch/.gitignore b/P/Sda2/Jpa/Inherit/Tpch/.gitignore
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index 28664d2277e2a2ab2099ffaeeb3d33923578da22..0000000000000000000000000000000000000000
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@@ -1,7 +0,0 @@
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-dependency-reduced-pom.xml
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diff --git a/P/Sda2/Jpa/University/.gitignore b/P/Sda2/Jpa/University/.gitignore
deleted file mode 100644
index b21988c2ef29598821d61ae8c314b6cd19d8707c..0000000000000000000000000000000000000000
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diff --git a/P/Sda2/account/.gitignore b/P/Sda2/account/.gitignore
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index 77f8e849fcdc95cbd4645d443fab4b44735130a1..0000000000000000000000000000000000000000
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diff --git a/P/Sda2/bibimport/.gitignore b/P/Sda2/bibimport/.gitignore
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diff --git a/ws/Archetypes/maven-prototype-javafx/.gitignore b/ws/Archetypes/maven-prototype-javafx/.gitignore
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-# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
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\ No newline at end of file
diff --git a/ws/Artifacts/Unitmarking/.gitignore b/ws/Artifacts/Unitmarking/.gitignore
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diff --git a/ws/Docbook/Id2topic/.gitignore b/ws/Docbook/Id2topic/.gitignore
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diff --git a/ws/Docbook/Refcheck/.gitignore b/ws/Docbook/Refcheck/.gitignore
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-.idea
diff --git a/ws/eclipse/ExamTesting/.gitignore b/ws/eclipse/ExamTesting/.gitignore
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