Breadcrumb block
Merge branch 'master' of https://github.com/solispauwels/Claroline into GUI
Merge pull request #231 from ngodfraind/bugfix

Fixing testInsertBefore.
GUI update (breadcrumbs update)
Merge branch 'master' of https://github.com/solispauwels/Claroline into GUI
Merge pull request #232 from solispauwels/GUI

Breadcrumbs update
Various bugfixes (closes #237, closes #236, closes #233)