Provision script: Set directory permissions for gallery and cache.
Customized VM to use less resources.
Moved web back to port 80.
Revert "Moved web back to port 80."

This reverts commit fdda71688889f4cdeefe4720b6d44652df2cc8e5.
Added DS_Store to Git ignore list.
Config file: Changed default cache type
Provisioning script: Install memcached.