ecoding and decoding special chars in projectnames for issue #769 and #888
Merge pull request #943 from Catrobat/specialCharInProjectNameIssue#769

Special char in project name issue#769
fixed webtests
Merge pull request #964 from Catrobat/fixWebtests

fixes Webtests to now correct Server responses
added AudioFocus for the stage, added AudioFocus tests and AudioFocus ui tests
Stage uses AudioFocus now
removed unused imports
fixed coding standard issues, updated testes because of timing issues
changed test project creation, because Empty project doesn't get deleted by clearAllUtilTestProjects
changed test to ActivityUnitTestCase because it leads to timeouts in other testcases
Merge branch 'old-issue#797' into issue#797