Vanity urls as a pro feature

Currently boshes the emberjs.jsbin.com urls - which is wrong.
Initial vanity homepage support

- set & get methods in place, but untested
- redirect tested and working
Fixed emberjs output urls
Support adding bookmark and getting
Vanity urls fully working. Woot.
Add sqlite file
Merge pull request #1317 from jsbin/feature/vanity

Vanity url