- Reduced the default timeout to keep a backup active without activity to 10 minutes from 30.
- Added check during json activity check to remove inactive backup.active file.

git-svn-id: https://plugins.svn.wordpress.org/cyan-backup/trunk@875960 b8457f37-d9ea-0310-8a92-e5e31aec5664
- Updates for 1.6.9 release.

git-svn-id: https://plugins.svn.wordpress.org/cyan-backup/trunk@875961 b8457f37-d9ea-0310-8a92-e5e31aec5664