connector: do_not_broadcast
p2ptrade state management
Merge branch 'color' of git://github.com/vbuterin/BitcoinArmory into color

Conflicts:
	extras/p2ptrade-test.py
	p2ptrade.py
configurable test color
app.py moved to extras
configurable url in p2ptrade
p2ptrade: fee handling
p2ptrade tests: no broadcast, better debug output
p2ptrade: reversed order of message, some exception handling
Readded old signing method to p2ptrade