Merge pull request #4 from tm1000/v5

V5
fix phones api
First draft for the master_json to become termplates
Modifying the view formating key value. it is now the name and the id
Just adapting the device POST apis for the backend request
Making the json_error an ProvisionerUtils function + some style
Adding timezone for yealink and completing last yealink master_json for now
Adding the last two Polycom master_json file + fix some $mac_reg
Polycom config_files
Updating the htaccess to redirect if the target do not exist and only it do not exist
API: just handling the OPTIONS in the accounts apis
Adding the provisioner_endpoint_path setting
This is the first viable HTTP version (no firmware yet though, but comming)
Ok... Polycom firmwares should be supported
Update README
Merge pull request #24 from frifri/v5

V5