Submodule update
Fix bug when use themes from bundle/plugin
Change update instructions in README
Email notification for critical error in the Demo
Merge pull request #85 from purplefish32/readme

Change update instructions in README
Readme update
Add mail port to config files
Merge branch 'master' of https://github.com/claroline/Claroline into refactoring-for-unit-tests

Conflicts:
	src/plugin/Claroline/ExampleBundle