[#5424] minor improvements to installation text
[#5424] fix rst syntax
[#5424] change theme to nature (looks nicer; TOC menu on left)
[#5424] simplify documentation nav links
[#5424] start configuration doc changes
[#5424] reorganize doc TOC, remove old stuff, add links to external documentation
[#5424] forward ports for SCM services
[#5424] store repos on /srv instead of /tmp so they don't disappear after reboot on most systems
[#5424] WIP: instructions for git & svn
[#5424] specify syntax highlighting
[#5424] instructions for git/svn setup (no auth)
[#5424] remove unused scm dirs from vagrant config
[#5424] bump docutils>=0.9 for :code: