Update argument order of mac terminal command 

Order shouldn't matter, but locally the order does matter. Otherwise when starting:
 
2014-11-17 18:15:06,845 INFO  [main] controller.Controller initConfig (Controller.java:355) - The controller config has been initialized
***WARNING: Display must be created on main thread due to Cocoa restrictions.
Exception in thread "main" org.eclipse.swt.SWTException: Invalid thread access
	at org.eclipse.swt.SWT.error(SWT.java:4361)
	at org.eclipse.swt.SWT.error(SWT.java:4276)
	at org.eclipse.swt.SWT.error(SWT.java:4247)
	at org.eclipse.swt.widgets.Display.error(Display.java:1068)
	at org.eclipse.swt.widgets.Display.createDisplay(Display.java:825)
	at org.eclipse.swt.widgets.Display.create(Display.java:808)
	at org.eclipse.swt.graphics.Device.<init>(Device.java:130)
	at org.eclipse.swt.widgets.Display.<init>(Display.java:699)
	at org.eclipse.swt.widgets.Display.<init>(Display.java:690)
	at org.eclipse.swt.widgets.Display.getDefault(Display.java:1386)
	at com.salesforce.dataloader.ui.LoaderWindow.<init>(LoaderWindow.java:83)
	at com.salesforce.dataloader.controller.Controller.createAndShowGUI(Controller.java:207)
	at com.salesforce.dataloader.process.DataLoaderRunner.main(DataLoaderRunner.java:45)
Merge pull request #46 from john-brock/master

Update argument order of mac terminal command (fixes #45)