Update code documentation and variables

Change-Id: I40a3dcfcca6be63b6ea44f935bb631948273dd82
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/esel_utils.robot b/lib/esel_utils.robot
index 50f148b..7cb9df1 100755
--- a/lib/esel_utils.robot
+++ b/lib/esel_utils.robot
@@ -63,12 +63,12 @@
 
 Check For Error Logs
     [Documentation]  Fail if there are error logs. Ignore logs with
-    ...              severity in the whitelist.
+    ...              severity in the ignorelist.
 
-    [Arguments]  ${whitelist}
+    [Arguments]  ${ignorelist
 
     # Description of Argument(s):
-    # whitelist  A list to be used to filter out esels which are
+    # ignorelist A list to be used to filter out esels which are
     #            of no interest to the caller.
     #            Error Logs with Severity field matching an
     #            entry in this list will be ignored. (e.g.
@@ -82,8 +82,8 @@
 
     # Get a list of the severities of the error logs.
     ${error_log_severities}=  Nested Get  Severity  ${error_logs}
-    # Subtract the WHITELIST from the error_log_severities.
+    # Subtract the IGNORETLIST from the error_log_severities.
     ${problem_error_logs}=  Evaluate
-    ...  list(set($error_log_severities) - set($whitelist))
+    ...  list(set($error_log_severities) - set($ignorelist)
 
     Valid Length  problem_error_logs   max_length=0