update documentation on Cisco 7906G/7911G
update "group interception" documentation for Cisco 7900
clarify Cisco 7900 timezone awareness
remove useless section

There's already a similar section on the "Developers / SCCP" page.
update symlinks for 14.16
bump version to 14.17
Moved documentation to have only one REST API directory. Every daemon will get a rest api in the futur, not only confd. Old REST API in now xivo-confd with a REST API.
added missing directories
Merge branch 'master' of github.com:xivo-pbx/xivo-doc into create_agent_queue_association
Change agent queue member association to members
Merge pull request #11 from xivo-pbx/sccp-7906

Sccp 7906
Describe position on associate an agent to a queue
Config file need to be in YAML format
rename restapi to confd
Fix error code text
Fix error on already associated
Merge branch 'master' into create_agent_queue_association