Merge pull request #65 from Codingspezis/develop

From now on pull request etc. will be checked via travis.
Extracted fragment for wishes and refactored code.
Ran lint and solved some errors and warnings
Optimized imports
Refactoring, Patch version bump
Downversioned build SDK version
Update build.gradle

Replaced ' with " in buildToolsVersion
Removed duplicate annotation
assembling instead of androidTest in travis CI build