Merge pull request #207 from johan12345/master

SRU implementation (#163)
Merge pull request #208 from johan12345/master

Add more PICA libraries, Covers for PICA
Fix "Up" navigation
Allow message for confirmation dialogs
Show positive reservation result messages
AccountFragment: Wrong task called
Merge pull request #210 from johan12345/master

Endless scrolling
This was just reversed…
aDIS: Account support
AccountFragment: ProlongAll result listitems
Merge branch 'master' of github.com:raphaelm/opacclient

Conflicts:
	src/de/geeksfactory/opacclient/frontend/SearchResultListActivity.java
This flag is no longer needed
Fixed #209
Remove unused code
Mainz: New URL
Pica: Compatibility to more systems
Fix account subtitle
added: Uni Mainz
Frontent for #193
PICA: Support different implementations of the "search all" field