Change private fields to protected
IDE-1738 Add the text hover and content proposal for <aui:input>
IDE-1818 Null exception while run build languages for project no language properties
IDE-1738 Adopt updated eclipse-wtp-xml-search api
Added skipServerTests option
Revert "IDE-1738 Adopt updated eclipse-wtp-xml-search api"

This reverts commit 8d25014c9bd2aa92010b4cca826743b54fa156c8.
IDE-1817 adopted new eclipse-wtp-xml-search with fix
IDE-1813 bug fix and improvement of layout editor
 - fixed empty class name issue
 - made role and id unchangable
Fix bundle/server tests
IDE-1706 Remove unused method
IDE-1802 Remove invalid validation
Added skipServerTests option to travis
Fix server - project unit test skip properties
IDE-1663 appended adding unit tests for xml.search.ui plugin
- improved stability, remove waitForBuildandValidation, directly invoke the validation
- added util methods for testing content assist, hyperlinks and quickfix
- finished unit tests for portlet.xml
IDE-1663 sort methods
IDE-1825 update version to 2.2.1
IDE-1825 add '-ga2' suffix
IDE-1673 Create Portlet to wrong project after create project with wizard
IDE-1673 directly use StructuredSelection object instead of anonymous
IDE-1823 Spelling mistake on "Lifecycle" in portlet.xml