JBIDE-13456 Move palette implementation from vpe module to jst module

Test fixed.
JBIDE-13391 org.jboss.tools.seam.ui.test.ca.SeamELContentAssistTestCase failure
JUnit Test Case is fixed.
JBIDE-13479 Update minor version for common, jst, jsf, seam, cdi components

Upadated versions of cdi,jsf,seam