Fixing some common typos throughout the repo

- main.True -> main.TRUE
- main.False -> main.FALSE
- main.log.step -> main.step
- main.log.case -> main.case

Change-Id: I522abc5876dee3db360649be8f068d7213c00b42
diff --git a/TestON/tests/FUNC/FUNCvirNetNB/FUNCvirNetNB.py b/TestON/tests/FUNC/FUNCvirNetNB/FUNCvirNetNB.py
index adf85a2..cf6cdc1 100644
--- a/TestON/tests/FUNC/FUNCvirNetNB/FUNCvirNetNB.py
+++ b/TestON/tests/FUNC/FUNCvirNetNB/FUNCvirNetNB.py
@@ -155,7 +155,7 @@
                      onfail="ONOS startup failed" )
         time.sleep( main.startUpSleep )
 
-        main.log.step( "Starting ONOS CLI sessions" )
+        main.step( "Starting ONOS CLI sessions" )
 
         print main.nodes[0].ip_address
         cliResults = main.ONOScli1.startOnosCli(main.nodes[0].ip_address)