add bootstrap assets for multiple versions
add less bootstrap assets
keep old version of base template
harmonization of assetic ressources names
merge less and sass base template
Merge branch 'multi_bootstrap_version' of https://github.com/nykopol/MopaBootstrapBundle into nykopol-multi_bootstrap_version
Merge branch 'nykopol-multi_bootstrap_version' into v3.0-dev
Changed base view to use the assetic resources. Removed unnecessary views since base is all we really need now. Change initializer to extend base instead of base_less
Removed configuration deprecations.
Removed extra code / document
$option => $options typo
Forgot to remove navbar config method call
Update readme some to remove old information
Clean up documentation add some new documentation about using the assetic config
Formatting
Formatting
Added upgrade doc for moving to 3.0
Merge branch 'v3.0-dev'

* v3.0-dev:
  Added upgrade doc for moving to 3.0
  Formatting
  Formatting
  Clean up documentation add some new documentation about using the assetic config
  Update readme some to remove old information
  Forgot to remove navbar config method call
  $option => $options typo
  Removed extra code / document
  Removed configuration deprecations.
  Changed base view to use the assetic resources. Removed unnecessary views since base is all we really need now. Change initializer to extend base instead of base_less
  merge less and sass base template
  harmonization of assetic ressources names
  keep old version of base template
  add less bootstrap assets
  add bootstrap assets for multiple versions
Fix BC check for navbar config