removed unused class (DBFace)
Merge pull request #82 from freizeit/rm-unused-DBFace

remove unused class (DBFace)
Merge branch 'develop' of github.com:ethereum/cpp-ethereum into develop
Merge branch 'release-poc-3' into develop
Merge branch 'release-poc-3' into develop
More VM tests.
Tests.
Version bump and automation.
Merge branch 'release-poc-3' into develop

Conflicts:
	libethereum/Common.h
Merge branch 'release-poc-3' into develop
Commit hash is stored in an automatically generated header file.
Merge branch 'release-poc-3' into develop

Conflicts:
	libethereum/Common.h
Merge pull request #86 from CodeShark/build_info_h

Commit hash is stored in an automatically generated header file.
TODO.
Better ignoring.
Tidy up BuildInfo.h
Minor cmake style changes.
Clean repo reporting.
TODO
Fixed implicit type conversions.