Fix launching webdriver tests from eclipse

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/home/anahide/.m2/repository/org/slf4j/slf4j-jdk14/1.5.3/slf4j-jdk14-1.5.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/anahide/.m2/repository/org/slf4j/slf4j-log4j12/1.6.0/slf4j-log4j12-1.6.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: slf4j-api 1.6.x (or later) is incompatible with this binding.
SLF4J: Your binding is version 1.5.5 or earlier.
SLF4J: Upgrade your binding to version 1.6.x. or 2.0.x
2012-11-20 15:42:22.001:INFO::Logging to STDERR via org.mortbay.log.StdErrLog
DatabaseHelper: Database used for VCS tests: org.nuxeo.ecm.core.storage.sql.DatabaseH2
failed org.mortbay.jetty.webapp.WebAppContext@7816fcc4{/,/tmp/NXOSGITestFramework818189204097751250613b1e4510d9-1970913925.1//web/root.war}: java.lang.ExceptionInInitializerError
failed HandlerCollection@2d2ce574: java.lang.ExceptionInInitializerError
Error starting handlers
java.lang.ExceptionInInitializerError
	at org.nuxeo.runtime.jtajca.NuxeoContainer.createTransactionManager(NuxeoContainer.java:485)
	at org.nuxeo.runtime.jtajca.NuxeoContainer.initTransactionManager(NuxeoContainer.java:432)
	at org.nuxeo.runtime.jtajca.NuxeoContainer.installTransactionManager(NuxeoContainer.java:143)
	at org.nuxeo.runtime.jtajca.NuxeoContainer.install(NuxeoContainer.java:131)