Merge pull request #435 from ronsigal/Branch_2_3_new

Branch_2_3
ignore files generated by test
restasy-jaxrs - added optional profile exclude-known-tests-failures
Merge pull request #447 from psakar/Branch_2_3

minor changes increasing comfort of running tests for Branch_2_3
control java version by properties maven.compiler.source and maven.compiler.target in pom.xml
resteasy-spring - cleanup after test run so fork mode is not required
resteasy-spring fix for spring 4.x
removed obsolete plugin configuration
ehanced error logging in TJWSServletServer
tjws - cleanup and fix warnings
move classes related to test support to separate modules
upgrade junit to version 4.8.1 required by arquillian
enable to run arquillian tests on jetty8 or jboss7 via profiles
RESTEASY-757 fix of test for EAP 6.x
arquillian - remove container from module names as the test can be run in different containeres based on activated profile
arquillian - added README.md, tested with EAP 6.x, JBoss 7.1.1 and Jetty 8
Merge pull request #452 from psakar/Branch_2_3

control java version by properties, proper cleanup for Spring related tests, fix for Spring 4.x
Merge pull request #453 from psakar/separete_test_classes

Separate test classes
arquillian - update bom version, use upstream version for jboss-as-arquillian-container-managed
async-http-server-3.0-test - converted to arquillian testcase