Spelling fix and added some awesome whitespace!
Wrote Plinth's design document.

This specs out the system and covers control flow through a user's interaction.
Merged with upstream.
Spellchecked.
Org mode whitespace fixes.
Remove Photos stub
Remove defunct link to forms API module
Remove Sharing stubs
Remove Privacy stubs
Remove Router stubs
Remove OpenID stub
Remove WAN stub
Move Tor to separate module and present under Apps

- Remove Privacy section
Move XMPP to separate module and present under Apps

- Remove Services section
Move first_boot to separate module
Move firewall to separate module
Move ownCloud to separate module
Move PageKite to separate module and present in Apps

- Remove Router section
Move diagnostics to separate module
Move Packages to separate module