JBIDE-14751 JQM Popup Wizard enhancements

Removed disabling theme when shadow is turned off,
instead set theme to 'none' if it was empty.
Replaced checkbox Overlay, by combo Overlay Theme.
Added checkbox Open Popup Button.
JBIDE-14753 JBoss HTML/JSP editor shows file name in upper part of the editor

Issue is fixed
JBIDE-13541 Palette items and context menu of visual part of VPE are not in sync

"Mobile" section of Palette is made hidden,
but it is always available for Mobile Palette.
JBIDE-14852 test failures in Seam (JavaEE)

Implemented wait for ClassPathMonitor.build() since different jobs call it.
JBIDE-14953 Add tests to Palette wizards

Moved html generation classes to IElementGenerator.
JBIDE-14970 Bump parent pom version used in root pom to Beta3