Merge pull request #40 from jmaas/master

Initial commit for the Cobbler 2.6.x manual
Merge pull request #41 from jmaas/master

Update to the 2.4.3 manual
Merge pull request #42 from jmaas/master

Updates to manuals
Merge pull request #43 from jmaas/master

More updates for the upcoming 2.6 release
Merge pull request #44 from jmaas/master

Forgot to update the header
Merge pull request #45 from jmaas/master

Updates to the 2.6.0 manual
Merge pull request #46 from jmaas/master

Fix Appendix chapters
Merge pull request #47 from jmaas/master

Nexenta updates
Merge pull request #48 from jmaas/master

Minor update to navigation/menu
Merge pull request #49 from jmaas/master

Bugfix
Merge pull request #50 from jmaas/master

Manual updates for the upcoming 2.6 release