Added missing setter for manageRepository property
Use as default latest Vaadin 7.1 release, not alpha releases.
Check that configuration exists before trying to access it.
Merge pull request #100 from henrikerola/master

Check that configuration exists before trying to access it. #99
Updated README with link to example build.gradle
Do not add theme-compiler in 7.2+ projects #102
Merge branch 'master' into 0.8