Refactor JLinkBundlerHelper and StandardBundlerParam classes

JLinkBundlerHelper and StandardBundlerParam classes provide a set of static methods to access different properties of the app: main jar, main module, main class etc. These data should be collected once for each launcher and stored in dedicated class - LauncherData. Functionality to collect these data should be moved from JLinkBundlerHelper and StandardBundlerParam to LauncherData.

ModFile class referenced from JLinkBundlerHelper should be removed as it duplicates functionality provided by JDK and JLinkBundlerHelper should be reworked accordingly.