Adding OMB Bureau Code CSV
Updates bureau code CSV from the Fy16 budget
Merge pull request #341 from philipashlock/add-bureau-codes

Adding OMB Bureau Code CSV
various small typos/cleanups

per https://github.com/project-open-data/project-open-data.github.io/issues/378 - 

* removing unnecessary semi-colon
* adding a missing verb 
* making punctuation in definitions consistent (added periods)
* Adding 'the' to frequency sentence 
* systems -> system
* adding missing 'the' to accessLevel notes
Merge branch 'master' into metadata-v-1.1
Merge branch 'metadata-v-1.1' of github.com:project-open-data/project-open-data.github.io into metadata-v-1.1
Link bureauCode CSV
Merge branch 'metadata-v-1.1' into gh-pages