Adding more configurations to server start() method in the Server service

Ability to customize the tray icon

Ability to customize location of web and server config

Ability to pass in a custom web.xml file to configure the runwar Undertow server

Ability to pass in extra lib directories
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
Merge pull request #6 from DominicWatson/serverStartOptions

New server start options