Merge pull request #23 from dgreisen-cfpb/master

vagrant/build fixes (hopefully)
Merge pull request #24 from dgreisen-cfpb/stemming

schema improvements
Removes broken sourcemap option.
Adds front end notes. Tweaks some formatting.
Merge pull request #29 from himedlooff/readme

Adds front end notes. Tweaks some formatting.
Merge pull request #28 from himedlooff/dev

Removes broken sourcemap option.
async index_all_repos
use soup strainer
asyncified create_bulk_data
added schema_user.json from previous commit
index_all_repos resets index; remove lots of cruft
removed page_url dump
Merge https://github.com/cfpb/github-wiki-search into stemming
sync.py from anywhere; document syncing