Unneeded spaces
Tweak hooks doc/examples
Add Horde_Css_Parser class
[mms] CSS parsing now uses the CSS3 compatible Horde_Css_Parser package instead of Horde_Text_Filter_Csstidy.
[mms] Use Horde_Css_Parser package, which is compatible with CSS3 declarations, instead of the unmaintained Horde_Text_Filter_Csstidy code.
[mms] Fix printing quoted text when viewing a list message.