qtvcp -fix command line user option

In master we switched to -o (from -U) so we follow that.
add the code to pass the info to the handler file.

Author: c-morley

src/emc/usr_intf/qtvcp/qtvcp.py

@@ -49,8 +49,8 @@
           , Option( '--push_xid', action='store_true', dest='push_XID'
                   , help="reparent window into a plug add push the plug xid number to standardout")
           , Option( '-u', dest='usermod', default="", help='file path of user defined handler file')
-          , Option( '-U', dest='useropts', action='append', metavar='USEROPT', default=[]
-                  , help='pass USEROPTs to Python modules')
+          , Option( '-o', dest='useropts', action='append', metavar='USEROPTS', default=[]
+                  , help='pass USEROPTS strings to handler under self.w.USEROPTIONS_ list varible')
           ]
 
 class QTVCP: 
@@ -189,6 +189,12 @@ def __init__(self):
         # initialize the window
         window = qt_makegui.VCPWindow(self.hal, PATH)
 
+        # give reference to user command line options
+        if opts.useropts:
+            window.USEROPTIONS_ = opts.useropts
+        else:
+            window.USEROPTIONS_ = None
+
         # load optional user handler file
         if opts.usermod:
             LOG.debug('Loading the handler file')