Add menus and keymaps
Merge branch 'develop' into feature/mkenv

Conflicts:
	keymaps/virtualenv.cson
Fix a lint issue
Merge branch 'develop' into feature/mkenv
Linting
Create new virtualenvs
Add new option to command palette
Remove log message
Refactor the options method
Add new options to the package menu
Merge branch 'feature/mkenv' into develop

Conflicts:
	lib/virtualenv-manager.coffee