deprecated it is
implement (and test) a shared `to_url` helper
add the jruby-rack.jar to web-app's loader instead of using the one loaded by Trinidad
set server's parent class-loader for Class.forName to work better from within Tomcat
skip jruby-rack jar from servlet 3.0 scanning (tld will still happen)
next trinidad_jars is going to be 1.4.0 (tomcat was already updated to 7.0.50)
minor internal loader (hook) refactorings
re-built trinidad-rb.jar