Enforced robotframework standards.

- The standards are enforced using the rflint static anylysis tool.
- More standards will be added in future commits but this is a base
  starting point.

Change-Id: I7dd8a2b0b42a51327b748cb730609d7ee2538de3
Signed-off-by: Joy Onyerikwu <onyekachukwu.joy.onyerikwu@ibm.com>
diff --git a/extended/code_update/code_update_utils.robot b/extended/code_update/code_update_utils.robot
index f8d030c..96f0378 100755
--- a/extended/code_update/code_update_utils.robot
+++ b/extended/code_update/code_update_utils.robot
@@ -101,6 +101,7 @@
 
 
 Check If File Exist
+    [Documentation]  Verify that the file exists on this machine.
     [Arguments]  ${filepath}
     Log   \n PATH: ${filepath}
     OperatingSystem.File Should Exist  ${filepath}
@@ -110,6 +111,7 @@
 
 
 System Readiness Test
+    [Documentation]  Verify that the system can be pinged and authenticated through REST.
     ${l_status}=   Run Keyword and Return Status
     ...   Verify Ping and REST Authentication
     Run Keyword If  '${l_status}' == '${False}'