added functionality to display hard offers on the chat page.
fixed functionality to disable previous offers.
able to accept jobs.
disabled all offer buttons when a job has been accepted and displays a checkmark next to an accepted offer.
users cannot make offers on jobs unless they are a paid subscriber.
added user avatars to offers chat.
added accepted jobs to the dojob dashboard. user can reject accepted jobs.
more updates to accepting and rejecting jobs.
updates to avatar upload button.
Merge pull request #7 from caneroj1/hard_offer_chat

Hard offer chat