JBIDE-12192 BrowserSim: simulate touch events

implemented. Can be enabled from preferences and context menu.
JBIDE-15302 CordovaSim: Adding cordova plugin support
JBIDE-15302 CordovaSim: Adding caching via Etag for CordovaPluginJsServlet. Refactoring.
JBIDE-15302 CordovaSim: Adding caching via Etag for PluginServlet.
JBIDE-15302 CordovaSim: Refactoring. Adding cordova-3.1.0 support
JBIDE-15302 CordobaSim: Refactoring. Changing the way of plugin processing
JBIDE-15302 CordovaSim: Prevent caching in PluginServlet and CordovaPluginJsServlet. Updating ripple submodule