added image uploader functionality

adds form to the right of the shacktag legend, allowing user to upload a
file or url to imgur.com

the new hosted url is inserted into the comment body
Added ChattyPics.com func to ImageUpload

Because people are whiney!
Changed file upload to drop, moved form to below

Replaced file upload to a drop area, moved the form to below the comment
entry thingy to please harold.johnson
Re-Added File Browsing, added multi-upload

I HATE EVERYONE RARRRRR
small changes to make buttons easier to see

made the default button font a little light, then make it black when
focused, makes is easier to see which is selected.
Merge branch 'master' of git://github.com/arhughes/chromeshack
Merge pull request #24 from claym/master

image uploader functionality, assorted cosmetic fixes