backup_migrate 7.x-3.1

A bug release fix for the 3.x branch.

Changes since 7.x-3.0:

• Added pantheon notice and free notice to NodeSquirrel page
• #2347637: Add a Note to Backup doesn't work with Jquery > 1.7
• Set Nodesquirrel schedule to use smart delete by default
• #2477503: Error returned, but exit status is 0
• #2369461: Scheduled Backups stopped working after 7.x-3.0?
• #2390057: Site doesn't come out of maintenance mode when backing up entire site
• #2455265: Update Version Number in README.TXT
• #2393615: Compression not running (only when backing up entire site)
• #2324949: Update #7303 Failing
• #2421183: Stream URI - Not ignored (Recognized?) during backups
• #2378739: "Exclude the data from the following tables" not respected when "Use cli commands" is checked
• #2307655 Fixed adding of full system path to site archive
• #2290707 by marvoey Advanced Backup link on quick backup page goes to wrong place
• #2290707 Exclude the data from the following tables - does not work
• Moved run time check before scheduled backup attempt to fix too-frequent schedule issue
• [#2280743] Files restore duplicating directory structure (sites/default/files/sites/default/files)
• #2276663 Permissions - Access backup files
• #2283701 by alarcombe. Restore not possible from archive
• #2286835 by Fernando Vesga. Advanced backup page link error
• #2287157 by topsitemakers. Links to "Create new destination" and "Create new schedule" are invalid
• #2287239 by topsitemakers. Minor typo in an error message
• #2278865 by topsitemakers Undefined index: files in theme_backup_migrate_file_list