id,des. and acronyms
updated files with ids,des,and acron.
stashing
updated layers_with_usa_contacts and foiaHub-usaContacts-matches and added tests
fixed GIGEI, AFRH, CO, FMC, FRB
fixed HUD, OSHRC, PC, Treasury, USADF, USTR
fixed dup on HUD
reformat some instructions, make layering scripts executable
updated README
Merge pull request #46 from 18F/update-readme

Reformat some instructions, make layering scripts executable
fixed tests
merging
Merge branch 'master' into issue146
Merge pull request #47 from 18F/issue146

Add USA Contacts scraper, some merged data
Default top-level to false
Pretty sure this should be lower case
Merge pull request #48 from 18F/top-level-default

Default top-level to false + typo fix
PEP8, more pythonic
PEP8, comments
Added some contributing notes