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/HA/HAscaling/HAscaling.py b/TestON/tests/HA/HAscaling/HAscaling.py
index 2064f1e..04000ba 100644
--- a/TestON/tests/HA/HAscaling/HAscaling.py
+++ b/TestON/tests/HA/HAscaling/HAscaling.py
@@ -282,7 +282,7 @@
                                  onpass="ONOS startup successful",
                                  onfail="ONOS startup failed" )
 
-        main.log.step( "Starting ONOS CLI sessions" )
+        main.step( "Starting ONOS CLI sessions" )
         cliResults = main.TRUE
         threads = []
         for i in range( main.numCtrls ):
@@ -1894,7 +1894,7 @@
                                  onpass="ONOS started",
                                  onfail="ONOS start NOT successful" )
 
-        main.log.step( "Starting ONOS CLI sessions" )
+        main.step( "Starting ONOS CLI sessions" )
         cliResults = main.TRUE
         threads = []
         for i in main.activeNodes: