JBIDE-16930 Livereload doesn't work with BrowserSim and JavaFX Browser Engine if running against JDK 7

livereload disabled for java7 javafx engine
JBDS-2960 Update BrowserSim/CordovaSim Skins

device list updated
java7u51 workaround update
JBIDE-17258 BrowserSim: use javaFx web engine for 64bit Windows

implemented, modified preferences page
JBIDE-17234 suggested improvements to dialogs to mention JDK7/8 instead of JRE/JDK 6 + JDK 7

Conflicts:
	plugins/org.jboss.tools.vpe.browsersim/src/org/jboss/tools/vpe/browsersim/ui/messages.properties
JBIDE-17243 Fix naming issues in Browsersim

modified error message names
removed java6 availability + cleanup
JBIDE-17224 Typo in BrowserSim WebKitGTK error message: is > has
JBIDE-17244 BrowserSim: Make able to use javaFx web engine on Linux if WebKit is not installed

implemented
error messages modification
JBIDE-17305 Usage stats for visual page editor/preview/browsersim
Test temporaly disabled
unnecessary plugin removed
Updated parent pom version to Beta3
JBIDE-17458 Usage stats for browsersim/cordovasim: webkit vs JavaFX
JBIDE-17524 BrowserSim: not all source is shown for external URL

fixed
Add missing $NON-NLS-1$
JBIDE-17230 GTK and BrowserSim web engine issue on Fedora

fixed