Add a protection layer to images.  Simply prevent deletion/overwritting using a DB flag.  Command Line will still be vulnerable, but this is kind of intended.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@2268 71f96598-fa45-0410-b640-bcd6f8691b32
Update changelog with current additions/changes.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@2269 71f96598-fa45-0410-b640-bcd6f8691b32
Merge svn with master