Updated bees.py to support posting raw data

Added support to bees with machine guns to allow the end user to specify a file containing data to post to the remote server.  At attack time, the data is SCPed to each remote node and used to POST information to the server.
Updated bees.py to support posting raw data

Added support for specifying a text file that contains raw post data and using that file to post params to the server.
Update main.py to support posting raw data
Merge pull request #3 from shanifdhanani/master

Updated to support POSTs