Major rehaul (screenshots included)

August 5, 2008
  (Including Commit #131347)
  - Now using scheme_id instead of hex values across the module.
  - Now using an "Official Site Scheme" in the selection.
  - Base and hybrid schemes will now require a 'reference' scheme.
    - color_get_palette() is now color_get_theme('ref')
    - There is now a color_get_theme('fields') for retrieving fields
  - New theme config option, 'default_scheme'
  - Scheme settings completely renovated.
    - Interface:
      - Add scheme fieldset
      - Default scheme fieldset selection
      - Edit scheme fieldset selection
      - Rebuild scheme button
    - Edit scheme:
      - Added initial support for last colors, suggested colors -- they are not attached to current focused fields yet.
      - 'Make default' if scheme isn't site default
      - Can delete scheme, and save.
      - Preview is collapsible.
  - Redoing scheme installation. We will install necessary scheme info to tables before generating them.
      1.) Populate scheme table with information for generation.
      2.) Generate schemes one by one
      3.) For each generated scheme, update row in question
  - Scheme fields are now placed in an array format.
  - You can now add schemes -- Remember to press the 'Add scheme' button.
  - Editing scheme now works
  - Updated the example files.