README.md
  - update development dependency list
hooks/hooks.py
  - change apt_get_install to mention 'package' not 'packages'
  - remove lint
  - Add gen_selfsigned_cert(), is_selfsigned_cert_stale()
hooks/tests/test_balancer_hook.py
  - fix tests due to package list changing.
hooks/tests/test_cert.py
  - New tests to cover cert generation/stale checks
- replace old cert generation code with new function calls
Fix default security config to have new format when apache 2.4 is installed
- install python-yaml
merge up
[gnuoy] Fix default security config to have new format when apache 2.4 is installed.
[davidpbritton] Don't regen a self-signed cert unless we need to
skip pyasn1_modules import if on precise
s/True/False/
[davidpbritton] Don't fail self-signed cert generation if we can't install/import python-pyasn1-modules