dependencies: bumped hgsubversion to 1.9.2 for Mercurial 4.6 compatability

mercurial: fix problems with latest httppeer changes in mercurial 4.6 series.

git: security/bumped git to 2.16.4 for security release update

dependencies: bumped pytest dependencies - pytest-runner==4.2.0 - pytest-timeout==1.2.1

dependencies: dropped pytest-catchlog as it's now in pytest core.

dependencies: bumped setuptools setuptools to 39.2.0

dependencies: bumped subprocess32 to 3.5.1

dependencies: bumped hupper to 1.3.0

dependencies: bumped evolve to 8.0.0 release

dependencies: bumped test dependencies pytest==3.6.0 py==1.5.3 pytest-sugar==0.9.1