JBIDE-13988 Provide a way to specify which JVM browsersim is using

preferences added
JBIDE-11046 BrowserSim: add support of Eclipse x86_64 on Windows

added win64 fragment
JBIDE-14370: Include SWT 32bits libs at build time

* Create a zipped repostory containing SWT libs
* Extract them in org.jboss.tools.vpe.browsersim.win32.win32.x86_64
* Output folder is "plugins/" instead of "resources/"
* Removed jars