Merge pull request #33 from mejackreed/comments

comments working on backend
Merge pull request #34 from mejackreed/master

more comment stuff added
django taggit addition

Only what we worked on in the meeting. More to come. Pull request
anyway so all can see whats up.
Update to README for PostGRES problems (version 1.0.0 missing)
merged master fixed conflict
updated layout
oops fixed something in api.model