JBIDE-14453, JBIDE-14319 - fix of hosting cordova.js and cordova_plugins.json via Jetty

- a modification for proper resources fetching from Eclipse bundles
Launcher for CordovaSim: removed toolbar buttons and added a new launch configuration with tabs. No values by default yet.
Moved parsing/validation methods to CordovaSimLaunchParametersUtil
Removed CordovaSim Editor, Action and Browser
Changed CordovaSim runner parameters to be java CSR path default_page -Dport=xxx;
Exported CordovaSimLaunchParameters class
-Added CordovaSim launch shortcut, with support of hybrid nature;
-Implemented saving of launch configurations after using the shortcut;
-Implemented selection-based autofilling of new launch configurations
Adding project selection in progress
Intelligent defaults for Android/Hybrid natures

-Redesigned UI
-Changed launch delegate to generate default values
Added parsing of config.xml for extracting of the start page
Added XML parser to find main HTML page. Set launch shortcut to support hybrid and android natures