Classe User
Merge branch 'master' into teyssier-fichiers
Work on User
Merge branch 'master' of https://github.com/Guimier/zzchat into teyssier-fichiers
Added exception message
Channel and Post class
Merge branch 'master' into teyssier-fichiers
Updated class list
Fixed errors
Connect and disconnect written

Merge branch 'guimier-cli' of https://github.com/Guimier/zzchat into teyssier-fichiers

Conflicts:
	common/classes.json
	default/languages/en.json
	default/languages/fr.json
Integrated login page from drogue-poc
[web] Warning for browser without JavaScript enabled
Merge branch 'teyssier-fichiers' into guimier-connexion

Conflicts:
	default/languages/en.json
	default/languages/fr.json
Fixed syntax in WebContext
[context:language] Default language is the one the admin sets
[web] Worked on connexion
[tests] Hide error for now

This one should be fixed by teyssier.
[login] Fixed user creation.

User: use Configuration::loadJson.
NoSuchUserException: must inherit from AgoraException.
Configuration: renamed directory, forgot to change here.
[login] Once more errors in files management fixed
[logout] Fixed property access

WebContext::disconnect never thought a user was connected, since it was testing an undefined variable.