Update pom.xml to use RC3 Rhino since there is a bug in RC4.
update POM to use Rhino rc3 not rc4 since there's a bug in rc4

https://groups.google.com/forum/#!topic/mozilla-rhino/s1R791wF270
Update jscomprunner to specify dir roots with -R rather than requiring
sources specified individually.
Merge branch 'master' of https://github.com/nanaze/jscomprun

Conflicts:
	src/main/java/com/github/nanaze/jscomprun/JsCompRunner.java
more usage info