Don't run concat on JS.
It creates an unnecessary concatenated file that gets commited and makes reviewing pull requests hard.
Remove obsolete file.
Remove references to main.js since it has been removed.
Updates Uglify task.
* Adds beautify option set to false so we can quickly change back and forth.
* Adds and compiles sourcemaps.
Merge pull request #26 from himedlooff/clean-grunt

Remove main.js
fixed vagrant file

added nginx.conf.template required by previous commit

switched yum to try, and apt to except b/c call appears to throw
catchable error in 2.7 (default for ubuntu), but not in 2.6 (default
for redhat/centos)

removed	automatic run of ./provision.py	b/c it can't access template
or settings files. must	 be run manually    after startup.

moved nginx config gen out of except block. generate file to temp
location then copy it using sudo.
renamed example_settings.py
Merge https://github.com/cfpb/github-wiki-search
wiki_page_schema -> schema_page
installation instructions