Created compose form and initial web server code to handle POST data
Added listAllAddresses API call and Address class
Made 'From' field on compose page show all available BitMessage address identities
Merge remote-tracking branch 'origin/master' into compose_and_send
Added sendMessage API function and appropriate calling in WebServer class
Make sendMessage function return sent Message object, made server redirect to sent message after sending, added status to sent_msg.html
Slightly improved error handling when sending mesages
Merge pull request #1 from DivineOmega/compose_and_send

Ability to compose and send messages