Regroup gems.
Update gems.
Use boostrap files instead of a gem.
Merge branch 'topic/cleanGems' into develop
Upgrade to bootstrap 3.x.
Adapt boostrap to rails asset pipeline.
Change remove button in list.
Correct global layout.
Update form design.
Enjolive le form de création de compte.
Merge branch 'topic/updateDesignForTBS3.x' into develop
Merge branch 'develop'

Clean gems.
Review design with bootstrap 3.x.