Update nanoc to version 3.7.2
Update gunicorn to version 19.1.1
Update gunicorn-python2 to version 19.1.1
Update python-django-extensions to version 1.3.11
Update python2-django-extensions to version 1.3.11
Update ruby-ruby2ruby to version 2.1.2
Added some optional dependencies for nanoc.
Merge pull request #2 from carstene1ns/master

Add some optional dependencies for nanoc.
Update nanoc to version 3.7.3
Update mkgmap to version 3334
Add existing vim-undotree PKGBUILD
Partially clean up vim-undotree PKGBUILD