HTPi: Minor edits and rearranging
HTPi: Add bluetooth adapter config
HTPi: Better handling of xbian-config.sh
HTPi: Add fix for nano etc. with TTL serial
HTPi: Disable rewrite of terminal title/prompt
HTPi: hush login message for root user
HTPi: Add some backup commands
HTPi: Add Wiring Pi and dbox install
HTPi: Add some dev and scripting packages
Try to prevent robots.txt from being indexed
Show less content on the main index page
HTPi: Reword TTL text, only applies to Mac?
HTPi: Add mod to unmount USB drives from XBMC
Improve style for footnotes

- More specific footnote superscript selector
- No underline for footnote/reference links
- Reference link is smaller and has padding
Use latest kramdown for table of contents
Add styles for table of contents and underline
HTPi: Add a table of contents
HTPi: Link to bluetooth setup with wifi
HTPi: Tidy up XBMC extension links
HTPi: Add xbmc advanced settings example