JBIDE-16396 Generate new content in New Footer wizard for JQM 1.4

Change generation of buttons for JQM 1.4.
Added field 'Bar position' for both versions.
Test is added.
NPE in JSPProblemMarkerResolutionGenerator.getAddTLD() when getting quick fixes for html page in dynamic web project (no KB nature)

Issue is fixed

Signed-off-by: vrubezhny <vrubezhny@exadel.com>
JBIDE-16426 Add filterable capability to jQuery Mobile 1.4 wizards