adding optional compress flag for rhino command line tool
remove transparent from colors.js
Merge pull request #857 from clmsnskr/master

Revert adding "transparent" as a color name
Adjust attribute selector regex to allow for numbers and underscores in attribute names (fixes #863, fixes #876).
Adjust all regexes in parser.js to use similar style for character classes
Merge pull request #879 from dmcass/attribute-selector

Allow numbers and underscores in attribute selectors
add support for ratios in media queries
media test now passes
Support testing with node on windows
Added colors.js to rhino target in Makefile
Fixed rhino's loadStyleSheet callback invocation (first parameter is the error object and not root)
Make rhino error support better
merge compression argument support
make rhino arguments match lessc
allow windows and unix path seperators in rhino. Fixes #828
Add unit tests for transparent to make it clear what went wrong last time. fixes #806
Fix unit test for import-once so that tests pass. Previous test commit had bad assumptions
If weight is not passed to mix() assume it's 50
Added CSS3 specific relative length units
See http://dev.w3.org/csswg/css3-values/#relative-length-units
Fix missing test css from #342