Make good arithmetic operations.
Comments and boolean operators.
Merge branch 'develop' of github.com:ethereum/cpp-ethereum into develop
Binary operators.
Merge branch 'release-poc-3' into develop
Unary operators.
Merge branch 'release-poc-3' into develop
More VM tests.
Tests.
Version bump and automation.
Version bump ready for release.
Release script supports branches.
Release script is more intelligent and README somewhat more informative.
Merge branch 'release-poc-3' into develop

Conflicts:
	libethereum/Common.h
Disable "unknown pragma" warning on VS 2013.
Fix implicit size_t->int conversion.
Fix for 32-byte names.
Merge branch 'release-poc-3' of github.com:ethereum/cpp-ethereum into release-poc-3
Merge branch 'release-poc-3' into develop
Commit hash is stored in an automatically generated header file.