Merge pull request #1 from nterray/master

Import @sbegaudeau Mylyn documentation
Merge pull request #2 from nterray/master

Add note about update site when installation fails
adding doc for user group binding
adding initial effort semantic
Initialize documentation for Tuleap 6.4
gerrit delete project install documentation
details on setting a mailing list membersip maximum
Add basic info on rest api
Include delete and disconnect
Document gerrit umbrella
adding section regarding gerrit's permissions templates
Add mediawiki chapter
Update version and copyright for readthedocs
modify version and release
Add mediawiki administration mapping
Reference screenshot
Doc SFTP
Merge pull request #3 from nterray/master

Add troubleshooting section (Note about IE Compat Mode)
Add mention about different groups
Documentation for Tuleap 6.11