add itests to the main reactor but don't run its tests unless -Pitest enabled
fix GAV for as/itests/pom.xml
fix GAV for as/itests/pom.xml in child refs
move properties declared in multiple places to root pom, and make -Pci available for all tests, not just org.jboss.tools.wtp.runtimes.tomcat.tests; add missing includes so that AllTests.class get run (for test plugins which don't use a Suite)
remove reference to non-existent wars/ folder
better approach to skipping itests, using itest.skip property; this way we can compile but NOT RUN the itests in the overall reactor