Update: Persistence.java (consolidated methods "saveMapLocally" und...

Update: Persistence.java (consolidated methods "saveMapLocally" und "uploadCreatedMap" into one method)
Update: RuntimeInfo.java (added fields for additional Thread classes + getter/setter)
Update: ThreadUpdateStats.java (added lines to reset stats counter after updating stats)
Add: ThreadCreateAcc.java
Add: ThreadDLCommMap.java
Add: ThreadGetMapList.java
Add: ThreadRstStats.java
Add: ThreadSaveCommMap.java
Add: ThreadSaveStats.java