Version++
Prepared Wunderlist Import + Refactoring
Hopefully fixed Nullpointer

ArrayAdapter.java:310 (a7b0d5aa9f04d627ef77b647c500b147)
Wunderlist import should work
Add Buildnumber
Wrong db-version
Merge branch 'developing' of github.com:azapps/mirakel-android into developing
Merge branch 'developing' into calDavSync

Conflicts:
	src/de/azapps/mirakel/model/DatabaseHelper.java
After-merge bugfixes