Markets are about half done.

Signed-off-by: FellowTraveler <F3llowTraveler@gmail.com>
Merge pull request #36 from FellowTraveler/gui

Markets are about half done.
Merge branch 'opentransactions'
Moved BtcJsonObjects from btcjson.h to their own header file and made appropriate changes in other classes. Also did some minor cleanup and commenting and started to switch from doubles to int64_t
finished switching bitcoin values from double to int64
started implementing MTBitcoin
added some error checking to test function
added timeout for connecting to bitcoin-qt which will also stop an infinite loop when using a wrong rpcpassword/user
started familiarizing myself with the GUI - created a button.