Merge branch 'release/v1.2.0' into develop

* release/v1.2.0:
  Bump version number
Removed assets from BootstrapBundle
Updated composer
Added choice (multiple = false, expanded = true) to form example
Bump version
Bump version
Merge branch 'release/v1.3.0'

* release/v1.3.0:
  Bump version
  Bump version
  Added choice (multiple = false, expanded = true) to form example
  Updated composer
  Removed assets from BootstrapBundle