adding support for getResourcesPaths an getResource to jetty9
Merge pull request #66 from saladinkzn/getResourcePaths_patch

adding support for getResourcesPaths an getResource to jetty9-runner
fix in gretty-taglib-example/CheckIfWebInfLibsNotEmpty.groovy: text -> text()
cosmetical changes in gretty-runner-jetty9/JettyWebAppContext.groovy
ported solution for issue #65 by @saladinkzn to gretty-runner-jetty8
improved protection of gretty-taglib-example against 'false positives' in integration test results
upgraded to selenium 2.43.1 in order to solve broken integration tests with Firefox 32
ported solution for issue #65 by @saladinkzn to gretty-runner-jetty7
ported solution for issue #65 by @saladinkzn to gretty-runner-tomcat8
removed debug message in gretty-runner-jetty7/JettyWebAppContext
fixed 403 'Forbidden' when running gretty-taglib-example on jetty7
gretty-taglib-example: WEB-INF/libs -> WEB-INF/lib
implemented virtual WEB-INF/lib entries for all supported servlet containters