Fix RubySass compile error for non-ascii characters

If a sass file contains non-ascii characters, sass compiling fails
with invalid multibyte char (US-ASCII) error on Windows 7 with
JRuby 1.7.x.

JRuby 1.7.x works with Ruby 1.9 mode by default.
We convert string to Unicode code point representaion to fix
compile error.

We set org.jruby.embed.compat.version 1.9 for JRuby 1.6.x.
Merge pull request #171 from shirosaki/fix_sass

Fix RubySass compile error for non-ascii characters
merge pull request which fixes the non-ascii character issue with rubySass. Upgrade jruby version to 1.7.11
Merge branch 'issue858' into 1.7.x
upgrade coffee-script webjar to 1.7.1
Merge branch 'upgradeCoffeScript' into 1.7.x
provide resource instance to processor
do not inject DispatcherStreamLocator and fix Less4jProcessorFilter
allow DispatcherLocator injection
Merge branch 'issue842' into 1.7.x
[maven-release-plugin] prepare release wro4j-parent-1.7.4