Manage WMS 1.1.1
Update bootstrap to 3.3.1
Fix closure lib to ol3 version
Merge pull request #1943 from geoadmin/gal_fix_closure_lib

Fix closure lib to ol3 version
Merge pull request #1923 from geoadmin/gal_update_bootstrap

Update bootstrap to 3.3.1
Merge pull request #1871 from geoadmin/dev_wms

Manage WMS 1.1.1
Use btn-group for measure and draw
Fix layout and simplify html