update permission table structure, refactoring of DB im-/export, uncovered apps

updated database structure concerning permissions and refactored/cleaned the database import/export/preparation, additionally implemented the insertion of uncovered ap into the database
Merge branch 'feature/UncoveredApps' into feature/Comments
added comment layout, added tbl_comment in database
fixed comment layout
Added some comments
fixed scanning and import of uninstalled apps
added loading splash screen for database initialization on first run
Added comments
apps whose package name is equal to their label aren't anymore covered
Merge branch 'feature/Comments' into develop
Merge branch 'feature/Comments' into develop
added todo and sample code for future implementation
Merge branch 'feature/AppDetails' into develop

Conflicts:
	res/layout/app_detail_comment.xml
	res/layout/app_detail_comment_item.xml
	src/de/otaris/zertapps/privacychecker/appDetails/comment/Comment.java
	src/de/otaris/zertapps/privacychecker/appDetails/comment/CommentAdapter.java
	src/de/otaris/zertapps/privacychecker/appDetails/comment/CommentViewHelper.java
	src/de/otaris/zertapps/privacychecker/database/dataSource/CommentDataSource.java
	src/de/otaris/zertapps/privacychecker/database/model/Comment.java
fixed merge results in app detail comments
modularized rating elements and ported total rating
added validation and saving of total app rating and updated registry structure
added exportmode
-layout
-viewhelper
-package

updated rateappviewhelper to display expert mode
added custom alert dialog (wonderful colors <3)
updated registry and finished integration of expert mode
fixed attributes in Registry
no staticness was required