added room plan and modified some text to english
Trigger search dialog when "search" button is pressed
Updated twitter tag
Updated .gitignore
Update version for next release
speed up schedule update

wrap all DB updates in one transaction -> less writes -> faster.
start update without prompting on first launch
use Holo theme on current android versions
start data update when data is older than 1h.
associate main.xml with Main class
make update progress a bit nicer, quieter
at least log when stuff goes wrong