Summary of commit:

Changes:
* auto-install.el:
  - Remove elpa, marmalade, orgmode archives in favor of el-get
* functions.el:
  - Add eval-url for downloading package from url
* modified.el:
  - Add load library for required.el
  - Add theme: solarized (dark)
* required.el:
  - Remove spacegray theme
* .gitignore:
  - Remove elpa/
  - Add auto-save-list and el-get/
* directories:
  - Remove modes/ and themes/