Several loader script cleanups/enhancements

* Adding wrapper scripts to run attachments after data loads
* Fixing (yet another) GNU date vs OSX date bug
* Standardizing on workfiles/ as the working directory
Merge remote-tracking branch 'origin/master'
Draft crontab-- would be nice to remove redundancy w/ a wrapper script.
Adding working logrotate config
Issue #152: fix sample-www bug reporting error on 'no results'

* Upgrade dust-helpers to 1.2.0
* Pass status code from template to Dust helper
* Fix equality check
* Recompile templates
Issue #76: Force /v0 to return fresh 200 each time so ELB health checks do not fail
Issue #76: Moving health check into its own final endpoint so that HTTP auth can be turned off for just this
Issue #76: Status route should have basic auth disabled
Update apiary.apib
Merge pull request #156 from leahbannon/master

Update Apiary docs with link to new documentation
Removing random debug statement from grants.gov source downloader
Merge remote-tracking branch 'origin/master'
Merge branch 'master' into data_source_endpoint
Break aggs out into separate endpoints, and add one with data_source -> notice_type nested.