Rename database file

Change-Id: I014fb4b59405d984e2ce370f5da8b3d9e7219af6
Downgrade jdbc

Somehow the new version is incompatible at least on heroku.

Change-Id: I9cd98e1c68e187eb57ab7fea6be2e7f139b26577
Adding Java 7 support

Change-Id: Ic60aaca9196409e095688337f423d51e26ef3e47
Update user-agent

InfoQ changed the iPhone layout and with that css identifiers.
The iPad version is still similar to the desktop layout,
but likely to change soon as well.

Change-Id: Id80fdd906047ae0b87c928b5565e5e2b61cdcd8d