Add comment to use 'check system $HOST' in Debian Jessie because monit > 5.5 supports this.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1037 3c3d7b80-5828-415e-9f61-280b98178fff
Improve code.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1038 3c3d7b80-5828-415e-9f61-280b98178fff
Make the quarantine folder optional.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1039 3c3d7b80-5828-415e-9f61-280b98178fff
Add option to omv-firstaid to clear the local upload package repository.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1040 3c3d7b80-5828-415e-9f61-280b98178fff