Merge branch 'release-poc-4' into develop
Initial QJS bindings.
Move to web GavCoin as default.
Updates.
Latest VM spec.
More JS APIs.
Initial debugger work.
Merge branch 'release-poc-4' into debugger

Conflicts:
	alethzero/MainWin.cpp
	alethzero/MainWin.h
	libethereum/Common.h
Merge branch 'release-poc-4' into develop

Conflicts:
	alethzero/MainWin.cpp
	alethzero/MainWin.h
	libethereum/Common.h
Merge branch 'develop' into debugger

Conflicts:
	alethzero/MainWin.cpp
	alethzero/MainWin.h
Fixed EXP operation
Debugger.
Merge branch 'debugger' into develop
Merge pull request #159 from dennismckinnon/develop

Fixed EXP operation
Fix AND and OR.
&&/|| in LLL
&, |, ~, ^ in LLL.
Serpent integration.
Date fix.
Version bump.