add documentation for mounting engine inside the app
require devise explicitly to prevent missing dependecy in host app
add hint for single language installations
require ancestry dependecy
require devise inside the kuhsaft module
correctly load bootstrap-sass in engine
fix image brick view
delegate failing helper calls to main_app
add instructions on how to require engine assets
use correct accordion id reference, widgets are initialized by boostrap, no need to do it manually
always open first accordion item
set first slider item as active
Merge pull request #60 from screenconcept/bugfix/integration_issues

Bugfix/integration issues