V2.0 documentation

DO NOT MERGE SPACE COWBOY!!!

Opening this up for code review purposes. Lots left to go before merging:

DONE:
- Resolve v1.1/v2 issues. (decide on URL structure, add context switcher between versions, etc)
- Review from @johnboxall 
- Finish examples
- Writeup examples page

HAPPENING IN DIFFERENT BRANCH:
- Design love