Merge pull request #161 from dajoho/master

Support for the REDAXO CMS.
Duplicated installer type for different plugins
Merge pull request #163 from Mihailoff/patch-1

Duplicated installer type for different plugins
Added PHP 5.6, 5.5 and HHVM to travis.yml
Merge pull request #165 from Nyholm/patch-1

Added PHP 5.6, 5.5 and HHVM to travis.yml
Redaxo be_style plugin & unit test