Adapt plugin to Debian Wheezy.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@986 3c3d7b80-5828-415e-9f61-280b98178fff
* Adapt plugin to Debian Wheezy.
* Delete iscsitarget-module-dkms because it is not needed anymore.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@987 3c3d7b80-5828-415e-9f61-280b98178fff
* Modify documentation
* Add OMVConfigEngine::compare method

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@988 3c3d7b80-5828-415e-9f61-280b98178fff