JBIDE-3861 Add JUnit tests for org.jboss.tools.seam.ui.search package
JBIDE-12645 Weld extensions: built in contexts

Implemented built-in context beans for injections.
JBIDE-14765 Support <weld:exclude>

Implemented support of <weld:exclude> in details
that comply with <exclude> defined by CDI 1.1.
Test is added.
JBIDE-15329 Support beans.xml 1.1

Recognizer for beans.xml of version 1.1 is added.
Version 1.1 is registered in JBoss Tools XML editor.
Tests based on CDI TCK 1.1 are added.
JBIDE-15336 Action "Externalize all strings..." does not work at all

deleted I18nValidator
[JBIDE-13795] Incorrect URL for JBoss Jira on readmes
JBIDE-10219 Migrate org.eclipse.core.runtime.contentTypes extension points to org.eclipse.core.contenttype.contentTypes
JBIDE-15351  Implement bean discovery in explicit and implicit archives

Bean discovery in explicit and implicit archives is implemented.
Test is added.
JBIDE-11319: Url for Eclipse-SourceReferences
JBIDE-15367 JBoss Knowledge Base Builder hangs up

Synchronization in DefinitionContext is improved.