docker: match more version of 'hg docker version' (issue4967) My version of docker (1.8.3) have a different formating for 'docker version' that broke the build script. We make the version matching more generic in to work with both version.

localrepo.commit: check all files for resolve state (issue4972) Previously we were only checking modified files for their resolve state. But a file might be unresolved yet not in the modified state. Handle all such cases properly.