bump version
reorder file list
add /etc/ntp.conf as backuped file
minor fixes on backup page
add user_line specifications for RESTAPI 1.1
add user_line specifications
update user_line deassociate specifications
update user_line specs
update user_line_specifications
fix error messages in RESTAPI users/id/lines
fix example on RESTAPI GET /users/id/lines
remove parameters not used on RESTAPI POST /users/id/lines
update sccp configuration page

Codec selection is now fully supported
Remove direct media warning
rename user fields in RESTAPI 1.1. Add underscores
update the list of supported SCCP features to add tos_audio
remove the warning about 7911 and 7906 not having BLFs
change the TOS feature from Yes to Manual
remove user_line documentation

not exposed yet
update information on Yealink phones
Merge branch 'user_line_13.24'