JBIDE-16135 EL Content Assist in Java Editor: Make Content Assistant Additional Info window to support URLs.

Content Assist Additional Infos and Tooltips (Hovers) were made to be like in Java Content Assist (Support links, Back/Forward/Open actions, icons and so on)
The new	look works equally in JST editors and in Java Editor (for EL in	Java Strings).
The following JUnit Tests were updated (in another PR) for the changes made to CA Add. Info's and Tooltip's (Hover's) content:
org.jboss.tools.jsf.jsp.ca.test.CAForELJavaAndJSTCompareTest
org.jboss.tools.jsf.jsp.ca.test.CAJsfAddInfoInELMessagesTest
org.jboss.tools.jsf.jsp.hover.ELTooltipTest

Signed-off-by: vrubezhny <vrubezhny@exadel.com>
JBIDE-14848 Two "Open CSS Dialog..." actions on toolbar

Open CSS Dialog toolbar and menu items switched to org.eclipse.ui.menus extension point
JBIDE-16136 Reorganize jst.test plugins
[JBIDE-16161] Tycho tests against Luna have extra dependency

Add missing bundle to fix tests execution
JBIDE-16268 JST Web UI tests doesn't close New Wizard Dialogs after tests finished

Updated CreateNewFileHyperlink in order not to open wizards for tests
JBIDE-16251 Remove dependency of javaee and vpe on web.ui.test plugin
JBIDE-16293 HTML5 Palette: Support JQuery Mobile 1.4

Initial implementation.
Switch on palette.
Palette for jQuery Mobile 1.4 does not contain deprecated widgets.
Same wizards, with themes restricted to ['a', 'b'].
Tests are added.
JBIDE-16319 Generate new content in New Button wizard for JQM 1.4

Generation is modified for New Button wizard, New Grouped Buttons wizard,
and New Form Button wizard. Tests are added.
JBIDE-16325 Replace data-role fieldcontain by class ui-field-contain for JQM 1.4
JBIDE-16326 Generate new content in NewPopup wizard for JQM 1.4

Code for open/close buttons is modified.
Arrow checkbox is added.
Tests are added.
JBIDE-16320 NPE when dropping a JQM widget from Palette

Updated PalettePageImpl in order to postpond palette reload after mouseUp event
JBIDE-16294 JQuery Mobile 1.4 data-* content assist
JBIDE-16322 Add an option to generate a menu in New JQM Panel wizard

Option is added with item number/label/url editor
as in new Listview wizard.
Test is added.
JBIDE-16339 Generate new content in New Dialog wizards for JQM 1.4

Content generation in New Dialog wizard is modified.
Icon list is made dependent on version.
Redundunt class TwoColumns in wizard page implementation is removed.
JBIDE-16294 Added data-dialog="true" attribute to Dialog
JBIDE-16348 Add data-role="tabs" to content assist
JBIDE-16346 Add checkbox input version of flip toggle switch to the wizard

Implemented checkbox input version of toggle switch for JQM 1.4.
Added 'Selected' option for all versions.
Added tests.
JBIDE-16309 Move inter-JBT dependencies to component poms
JBIDE-16369 Add data-role="flipswitch" to content assist
JBIDE-16262: Update link to build doc.