Merge pull request #109 from intportg/dev

Rest web services for models and introduction of events in I18nManager
Add Twitter Bootstrap in default theme
Add Loading event on ThemeManager
Merge pull request #110 from inthause/documents

Add Twitter Bootstrap in default theme
Add Theme document
Add default page
Remove PHP 5.3 Travis tests
Merge pull request #111 from inthause/documents

Add Theme document and default page
[NEW] First implementation of menu block.
[NEW] Some resources for default theme.