Rename interface mode from 'Manual' to 'Disabled'.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1506 3c3d7b80-5828-415e-9f61-280b98178fff
Begin to implement Mantis 0001150: Add support for public key authentication on SSH.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1507 3c3d7b80-5828-415e-9f61-280b98178fff
Mantis 0001150: Add support for public key authentication on SSH.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1508 3c3d7b80-5828-415e-9f61-280b98178fff
Mantis 0001150: Add support for public key authentication on SSH.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1509 3c3d7b80-5828-415e-9f61-280b98178fff