Merge pull request #6 from lokeller/master

Upgraded target SDK to 20 (lastest)
Reverted to API level 19
Added project for UI tests
Fix bug: EULA is not displayed on first run
Changed output directory of ant build to avoid interference with eclipse
Ignore eclipse settings of UITests project
Ignore some local ant files
Some UI tests
Added id to scrollview to do tests
Added menu to add new contacts
Removed unused menu
Added more tests
Initial work on two phones functional test
Added properties for second account to template file
Added README to tests directory
Improved README for UI tests
Improved robustness of AddContact use case
Added rules in ant build file to include keystore path
Fixed bugs in MessagingTest
Bumped version to 4