Merge pull request #1 from Ozmodiar/7.x-1.x-dev

Fixed PDOException in simpletest.
Merge branch '7.x-1.x-dev' into 7.x-1.x
Merge pull request #3 from Ozmodiar/#2-css_classes

Add custom CSS class support.
Merge branch '7.x-1.x-dev' into 7.x-1.x
Merge remote-tracking branch 'origin/7.x-1.x' into 7.x-1.x
Travis CI integration.
Add build status to README.md.
Check if the user has the correct permission before adding block weight.
Merge pull request #5 from Mo-k-tec/4-permission

Check if the user has the correct permission before adding block weight.
Branch independent Travis CI configuration.
Merge branch '7.x-1.x' into 7.x-1.x-dev
Set correct build status in dev branch.