#383 - Update Bootstrap to v2.3.2
Fix #402 - Add missing definition to button group in Bootstrap adapter
#383 - Use core adapter Entity/Nav/Breadcrumb definitions
Merge pull request #404 from ebollens/fix/402

Fix #402 - Add missing definition to button group in Bootstrap adapter
Merge pull request #405 from ebollens/fix/383

Fix #383 - Update Bootstrap to v2.3.2
Fix #346 - Add SASS variables to builder
Merge pull request #406 from ebollens/feature/346

Fix #346 - Add SASS variables to builder