Fixing variable names that had failed to be updated to latest versions
Adding new server start options to the server start command

Options are:

webConfigDir: custom location for railo web context configuration

serverConfigDir: custom location for railo server configuration

libDirs: comma separated list of extra lib directories for the Railo server

trayIcon: path to .png file for tray icon

webXml: path to web.xml file used to configure the Railo server