* copy background-image css-attr to background html-attr on tables. Explorer requires this.
 * copy height css-attr to height html-attr.
Ignore cid: urls when converting from relative to absolute urls
Switch from RDoc to YARD
Rework documentation using YARD markup.
Allow flags to separately include link and style tags when inlining css
Enable input encoding override
Escape apostrophes when needed. Should be expanded to include all HTML entities...
Handle more HTML entities, and refactor for multiple Ruby versions
Added :remove_script_tags option.
Bump version to 1.7.4a
added bullets for second lines under "What is this?" section
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/premailer/premailer.rb
	premailer.gemspec
Get ready for upstream merge
Merge pull request #108 from Bertrand/master

Some small tweaks we're using in production at fotopedia
Don't expand shorthand properties -- closes GH-91 GH-107
Merge pull request #103 from cakemail/feature/remove_script_tags

Added :remove_script_tags option.
Rename :remove_script_tags to :remove_scripts and default to TRUE
A few other post-merge tweaks
Add option to remove/preserve JS
Merge pull request #106 from tantalor/patch-1

added bullets for second lines under "What is this?" section
Merge pull request #87 from dgsuarez/master

Do not convert cid: urls