[PLAT-3397] Added jruby-complete and sass dependency to maven pom.xml
[PLAT-3397] Added jruby-complete and sass dependency to ivy
[PLAT-3397] Adding simple sass compiler using JRuby as the script engine
[PLAT-3397] Adding unit test for sass compiler
[PLAT-3397] Set default value for cache_location for sass compiler
Merge branch 'develop' into ui/dev