Update README and link to Bootstrap RTL Theme for BT3.1
License link and formatting update.
Update README.md
Update README.md
Merge branch 'master' of github.com:ratnic/bootstrap-rtl into v3.2

* 'master' of github.com:ratnic/bootstrap-rtl:
  Update README.md
Refactor `.auto-flip` to `.flip`

- Refactor `.auto-flip` to `.flip` to match best practices.
- Bootstrap updated to its latest dev dist.