separated python settings into a contrib
Merge pull request #111 from danielwuz/python-contrib

Python contrib
Add nose and pylookup as regular directories

i.e. not as submodule
Remove nose and pylookup submodules
Fix a bug in automatic orphans deletion algorithm
Remove epc package from packages in the spacemacs layer
Projectile variables need to be present before load
Added evil-jumper
Open `.spacemacs` dotfile in the same manner as init and contrib.
Windows emacs binary path is at base distribution directory, need to traverse to bin folder
Merge branch 'develop' (v0.10.0)