Add default for nodeUser/nodePass

- Add defaults incase they aren't defined in .topo file
- Minor grammer fixes

Change-Id: I26147329673ebeb8e81d2d8ce2a5f97e7b889961
diff --git a/TestON/core/teston.py b/TestON/core/teston.py
index 647fa81..f296c69 100644
--- a/TestON/core/teston.py
+++ b/TestON/core/teston.py
@@ -168,7 +168,7 @@
         '''
         global driver_options
         self.initiated = False
-        self.log.info( "Creating component Handle: " + component )
+        self.log.info( "Creating component handle: " + component )
         driver_options = {}
         if 'COMPONENTS' in self.componentDictionary[ component ].keys():
             driver_options = dict( self.componentDictionary[ component ][ 'COMPONENTS' ] )
diff --git a/TestON/drivers/common/cli/emulator/scapyclidriver.py b/TestON/drivers/common/cli/emulator/scapyclidriver.py
index c4708bc..1ff0d6f 100644
--- a/TestON/drivers/common/cli/emulator/scapyclidriver.py
+++ b/TestON/drivers/common/cli/emulator/scapyclidriver.py
@@ -115,7 +115,7 @@
                                 self.user_name +
                                 "@" +
                                 self.ip_address )
-                main.log.error( "Failed to connect to the Mininet Host" )
+                main.log.error( "Failed to connect to the Host" )
                 return main.FALSE
         except pexpect.EOF:
             main.log.error( self.name + ": EOF exception found" )
diff --git a/TestON/drivers/common/cli/onosclusterdriver.py b/TestON/drivers/common/cli/onosclusterdriver.py
index f3de41d..eebc5ad 100755
--- a/TestON/drivers/common/cli/onosclusterdriver.py
+++ b/TestON/drivers/common/cli/onosclusterdriver.py
@@ -98,6 +98,8 @@
         self.karafPromptPass = None
         self.kubeConfig = None
         self.karafPromptUser = None
+        self.nodeUser = None
+        self.nodePass = None
         self.nodes = []
         super( OnosClusterDriver, self ).__init__()