Merge pull request #65 from marcSchneiter/master

new implementation of the database-handling. some tests will be faling for the moment, ill update them till sunday
Fixed sharing and did some more cleanup

Moved stuff to ListDialog and now finally fixed the sharing bug, where
the onlineListKey was 0 and couldn't be checked locally
deleted unnessecary DatabaseTest
Merge pull request #66 from broggi/master

Fixed sharing and did some more cleanup
Merge pull request #67 from broggi/master

deleted unnessecary DatabaseTest
review added
implemented datewriteing to the local database