CAT-497 #code-review fixes #497
fixed testcase for jenkins
Merge pull request #500 from Catrobat/issue#497

Option to create empty program
fixed some warnings plus version update
Merge pull request #501 from Catrobat/versionUpdate

fixed some warnings plus version update
fixed one typo
Merge pull request #510 from Catrobat/issue#497

fixed one typo.. dat typpos
Merge remote-tracking branch 'origin/master' into tutorial_hints