Rename the ui 'init' method to 'main'

As these may run the UI in a blocking fashion and then return the exit code,
'init' was an inappropriate name, and 'main' is more appropriate.

(Bitbake rev: 4d081a0ed759bd526ab01849d650bd9e8d80ddd1)

Signed-off-by: Chris Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

bitbake/lib/bb/ui/depexp.py

@@ -185,7 +185,7 @@ class gtkthread(threading.Thread):
         gtk.main()
         gtkthread.quit.set()
 
-def init(server, eventHandler):
+def main(server, eventHandler):
 
     try:
         cmdline = server.runCommand(["getCmdLineAction"])