Add client error handling section
Add client error handling section
Merge branch 'master' of https://github.com/JCavallo/tryton-documentation

Conflicts:
	developer_guide/debugging.rst
Merge pull request #8 from JCavallo/master

Add client error handling section
Update access_management.rst
Fixed line wrap of access_management.rst.
Merge pull request #9 from JonLevy/patch-2

Acess right management documentation
Merge pull request #11 from pokoli/user_guide_improvements

Improve Using Tryton client page:
Added documentation for tryton client searching
Merge pull request #12 from prakashpp/master

Added documentation for tryton client searching
Add chat as a way to get help by tryton developers and extend the user's
part.