DatabaseManager: insertTweet gibt Integer (0,1,2) statt boolean zurück (2 = schon vorhanden, upgedatet)
NewEventPanel: Datumsparser fixed
ServerControl: anpassungen bzgl. DatabaseManager

Signed-off-by: Dozzler <dozzler93@gmail.com>
Merge branch 'tweet_with_keywords_fetchdate' of http://github.com/mfiebrich/Datenkralle into tweet_with_keywords_fetchdate