Fix some TCs + improved timing issue:
* COndition instead of sleep
Merge pull request #1111 from Catrobat/fixOpenTestsSept14

Fixes:
ProjectManagerTest#testShouldLoadDefaultProjectIfCannotLoadAnotherProject
SoundFragmentTest#testSelectAllActionModeButton
SpritesListFragmentTest#testSelectAllActionModeButton
Dialog UI-tests for string creation.
Rename from "string" to "ABC".
Refactoring of begin() of actions.
Translation of StringDialog strings for all current languages.
2 tests fixed
Merge pull request #1121 from Catrobat/fixOpenTests

fixes BroadcastBricksTest + DroneBrickLayoutTest
moved vibration brick to category motion and changed order of look bricks
Merge pull request #1078 from Catrobat/FormulaStringExtension

Formula string extension and refactoring
Merge pull request #1075 from Catrobat/vibrationBrick_changeCategory

moved vibration brick to category motion and changed order of look bricks
changed platform version to double and updated
repaired codeStyleSettings
added first NXT implementation
Update license header, Update NXT version from summer
fixed source test issues
added functionality for connecting to a BT device in a common way
updated BTTestServer, supports multiple bluetooth connections from different services now
ServiceProvider creates common services by themself, added SensorService
fixed compile error
updated DeviceConnector test