Begin to add czech language support.

git-svn-id: svn://svn.code.sf.net/p/openmediavault/code@1587 3c3d7b80-5828-415e-9f61-280b98178fff
Mantis 0001203: Can only have one static route.

git-svn-id: svn://svn.code.sf.net/p/openmediavault/code@1588 3c3d7b80-5828-415e-9f61-280b98178fff