JBIDE-17099 Support for running 64bit simulators

IOSSimulator can now handle the 64bit flag. We ha also introduced a new
UI field on the launch configuration to ask for a 64 bit simulator.
JBIDE-16931 CordovaSim: Moving CordovaSim's jetty server to the cordovasim.eclipse plugin
JBIDE-16931 CordovaSim: Adding eclipse's linked folder support. Clean up in the vpe.cordovasim plugin. Refactoring
JBIDE-16931 CordovaSim: Changing the way of switching web engine
JBIDE-16931 CordovaSim: Creating ServerStorage for correct server shutdown. Refactoring
Merge pull request #38 from ibuziuk/JBIDE-16931

JBIDE-16931 CordovaSim: Adding linked folders support. Moving CordovaSim's jetty server to the cordovasim.eclipse plugin
JBIDE-16468 CordovaSim: Providing more intelligible message for Aerogear Push Plugin
Merge pull request #39 from ibuziuk/JBIDE-16468

JBIDE-16468 CordovaSim: Providing more intelligible message for Aerogear Push Plugin
JBIDE-17282 Unable to add plugin

Read textbox only if the project is not initialized already.
JBIDE-17244 BrowserSim: Make able to use javaFx web engine on Linux if WebKit is not installed

implemented
Cordovasim: possible NPE fix(showing error message when no suitable jvm)
Merge pull request #40 from kmarmaliykov/JBIDE-17244

JBIDE-17244 BrowserSim: Make able to use javaFx web engine on Linux if WebKit is not installed