FreeNAS Code

- Simplify some logic.
- Improve style a little bit.

change get_freenas_login_version to work with official release strings as well

Use correct name in copyright

merge 7333 from branches/8.0.1 which gives a dynamic version info to the login box

close cursor.

Add ability to specify database location.

method to check if service is enabled via sql.

mount/umount wrappers

Function for checking if a device/path is mounted.

Added function to determine filesystem type given a path.