tone down widget-field border brightness
Add support for ERC

* User input is faded in order to focus on messages by others
* Keywords are same color as matched parens
* Nicks of others are unbolded cyan
* Server notices are unbolded blue
* Timestamps are faded, not bright

Looks best with the solarized-dark theme.
Make keywords orange

Others don't seem to like this quite as much, so keeping it out of the initial pull request.
Merge pull request #74 from mwolson/master

Add support for ERC
Merge pull request #69 from lewang/fix-widget-border

tone down widget-field border brightness
Added instructions for installing via marmalade
Merge pull request #79 from iainbeeston/patch-1

Added instructions for installing via marmalade
escape-glyph should be like escape-glyph-face
Add sh-heredoc, otherwise it looks awful
Don't fontify background of diff faces
mm-uu-extract (verbatim text in Gnus)
Don't use reverse-video in header-line
Some more font-latex faces