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/drivers/common/cli/onosclidriver.py b/TestON/drivers/common/cli/onosclidriver.py
index 1262b09..1ba9d0a 100755
--- a/TestON/drivers/common/cli/onosclidriver.py
+++ b/TestON/drivers/common/cli/onosclidriver.py
@@ -811,8 +811,8 @@
 
             Dependencies: checkMasters() and summary()
 
-            Returns main.True if the devices are balanced
-            Returns main.False if the devices are unbalanced
+            Returns main.TRUE if the devices are balanced
+            Returns main.FALSE if the devices are unbalanced
             Exits on Exception
             Returns None on TypeError
         """
@@ -1837,7 +1837,7 @@
         -p or --purge: Purge the intent from the store after removal
 
         Returns:
-            main.False on error and
+            main.FALSE on error and
             cli output otherwise
         """
         try:
diff --git a/TestON/drivers/common/cli/onosdriver.py b/TestON/drivers/common/cli/onosdriver.py
index dde65d3..3c8d484 100755
--- a/TestON/drivers/common/cli/onosdriver.py
+++ b/TestON/drivers/common/cli/onosdriver.py
@@ -1847,7 +1847,7 @@
 
                 deviceCount - number of switches to be assigned
         '''
-        main.log.step("Creating link graph configuration file." )
+        main.log.info("Creating link graph configuration file." )
         linkGraphPath = self.home + "/tools/package/etc/linkGraph.cfg"
         tempFile = "/tmp/linkGraph.cfg"
 
@@ -1923,13 +1923,13 @@
             numPorts = number of ports per device. Defaults to 10 both in this function and in ONOS. Optional arg
         '''
 
-        main.log.step("Configuring Null Device Provider" )
+        main.log.info("Configuring Null Device Provider" )
         clusterCount = len(ONOSIpList)
 
         try:
 
             if type(deviceCount) is int or type(deviceCount) is str:
-                main.log.step("Creating device distribution")
+                main.log.info("Creating device distribution")
                 deviceCount = int(deviceCount)
                 switchList = [0]*(clusterCount+1)
                 baselineSwitchCount = deviceCount/clusterCount