JBIDE-17269 Update Deltaspike version in tests to 0.7

Deltaspike version in pom.xml and .classpath is changed to 0.7.
Obsolete jars in folder lib2 are removed.
JBIDE-17185 org.jboss.tools.cdi.core.test failures on Windows

NamedBeanRefactoringTest is fixed on Windows.
[JBIDE-17261] Prepare for API change in JDT

Fix compilation errors rewlted to API change in JDT.
JBIDE-17344 4 Test Failure(s) in JBIDE 4.2.0.Beta2 for cdi component