* also added current page count (e.g. 1/3) to project setup
* moved the code for copying a source group to the settings classes so that the wizzard doesn't need to know which source groups may be there anymore.
* adjusted some help texts
* moved exclude paths and source file extensions contents to indexed paths selection in project setup wizard
* removed compiler flags from CDB project setup wizard
* added wizard content that shows some info text regarding the purpose of source groups
* renamed ContentSummary to ContentGroup
* fixed issue with CompilationDatabase include path extraction