checking minimum Python version in wurf_tools.py
set minimum Python version to 2.7
check git minimum version + allow dev branch as dependency
Merge remote-tracking branch 'remotes/origin/master' into check-min-version
include git protocol option
determine parent project url in resolve/configure
enumerate all tags when checking the major version in a branch
remove BRANCH param from dependency resolve
bypass git tags in offline mode
Set required git version to 1.7.8