Merge pull request #41 from stanzheng/master

close issue #39 -- dunno how the lines were removed..
Stanley doesn't know his boss's name.
Merge pull request #42 from stanzheng/master

prettified and added manning press
Added details on contributing.
align middle, patches #27
Merge pull request #50 from stanzheng/fixalign

align middle, patches #27
Merge pull request #46 from stanzheng/meetup

adding jquery and starting work on meetup api js
hot patch.. for #40
hotfix patch #27 now using signed urls