Support annotation @Vetoed

If class is anotated @Vetoed or if its package is annotated @Vetoed, then it is excluded from managed beans.

Test with archive.
1. Import project /org.jboss.tools.cdi.core.test/projects/CDIArchivesTest
2. Open class test.a.Test
3. Check that injection @Inject Venus venus; is not satisfied because class test.d.planets.Venus in lib2/cdiastro.jar is annotated @Vetoed.
4. Check that injection @Inject Sirius sirius; is not satisfied because package test.d.stars in lib2/cdiastro.jar is annotated @Vetoed. (jar file contains sources to check that).

Test with sources.
1. Import project /org.jboss.tools.cdi.core.test/projects/tck1.1
2. Open class org.jboss.jsr299.tck.tests.jbt.vetoed.Injections
3. Check that @Inject Pond pond; is not satisfied because org.jboss.jsr299.tck.tests.jbt.vetoed.Pond is annotated @Vetoed.
4. Check that @Inject Black black; is not satisfied because package org.jboss.jsr299.tck.tests.jbt.vetoed.seas is annotated @Vetoed (see package-info.java).
5. Check that @Inject Caspian caspian; is satisfied because package org.jboss.jsr299.tck.tests.jbt.vetoed.seas.inner is not annotated @Vetoed although it is a subpackage of an annotated package.
6. Check that @Inject Pond.Creek creek; is satisfied because class Pond.Creek is not annotated @Vetoed although it is a nested class in an annotated class.