Merge jekill bootstrap recent changes, upgrade bootstrap and improve L&F
Add a page about build prerequisites
List of Git repositories
Update for PLF4
Add master and feature branches updates workflow
Eclipse Settings, IntelliJ Settings: New documentations to explain how to configure your Eclipse or IntelliJ IDE to follow the formatting rules used by eXo and controlled by Sonar.
Git Startup guide: add line endings prefs, merge.renameList, commits messages

* How to setup line endings preferences for Unix/Mac and Windows users.
* How to reduce the number of files to consider when performing rename detection during a merge on a large repository.
* How to write commit messages
Update config and doc for jekyll
Add docs about IDE on homepage
New post
Merge remote-tracking branch 'upstream/master'

Conflicts:
	README.md
	_config.yml
	_layouts/default.html
	_layouts/page.html
	_layouts/post.html
	_posts/core-samples/2011-12-29-jekyll-introduction.md
Fix link to intellij settings
Update docs to use RVM + Bundler
Upgrade to bootstrap 3.2.0 (Bootswatch spacelab theme)
Reformat code
How to update
fix misprint
Add fork me ribbon
Add info about github pages hosting
Use github settings in configuration