bump version to 14.16
Update devices.rst

Correct grammar and phrasing while making as little change to existing wording as possible.
Update backup_restore.rst

Just grammatical corrections, no changes made to the actual procedures described.
Merge pull request #9 from reduxionist/patch-1

Update devices.rst
Merge pull request #10 from reduxionist/patch-2

typo
group pickup is now supported by sccp
backups : exclude plugins cache folders
reordre excluded folders in xivo-backup
fix unexpected unindent warning
add upgrades notes around asterisk ODBC modules
Merge branch '5118-filter-backup'
Merge branch '5156-odbc'
fix grammar
capitalize REST in REST API
add some upgrade notes for 14.16
update symlinks for 14.16
Merge branch 'master' into production