added gradle based test suite, reviewed rhino integration
added gradle based test suite, reviewed rhino integration
merged upstream/master
normalize quotes to apostrophes in error messages from javascript evaluation (unify node/rhino error message)
fixed some jshint errors
removed Makefile (again), fixed grunt rhino build
renamed task cleanupTest to clean
added gradle wrapper scripts
fixed test for initRhinoTest function
renamed path implementation in less for rhino to _path
added colored output, added gradle property 'test' to execute a specific test only (use for example: -Ptest=urls)
started data-uri implementation, added basic console formatting support
refactored rhino require() for provided (node) modules
added base 64 encoding for rhino, fixes urls.less test case
adjusted modules order for rhino (same as for browser)
Merge branch 'rhino' of https://github.com/obecker/less.js into rhino

Conflicts:
	build/build.yml
Fixing windows related errors in gradle build file.
Changed readme.md
Added no javascript error tests.
Added "debug" tests. They are failing currently, due to weird rhino
version handling of slashes.