Fix code documentation and robot lint warnings

Fixed all in the repository except for the following:

$ python -m rflint -A robot_standards -R robot_custom_rules.py .
+ ./redfish/service_root/test_service_root_security.robot
W: 19, 110: Line is too long (exceeds 110 characters) (LineTooLong)

Change-Id: I7011f6054a2b046f19a6b39b5f3cf38b5d4facb4
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/ipmi/test_ipmi_network.robot b/ipmi/test_ipmi_network.robot
index dbbe581..5e601fc 100644
--- a/ipmi/test_ipmi_network.robot
+++ b/ipmi/test_ipmi_network.robot
@@ -108,11 +108,13 @@
     ${lan_config}=  Get LAN Print Dict  ${CHANNEL_NUMBER}
 
     ${ipv4_addresses}=  Redfish.Get Attribute
-    ...  /redfish/v1/Managers/bmc/EthernetInterfaces/${active_channel_config['${CHANNEL_NUMBER}']['name']}  IPv4Addresses
+    ...  /redfish/v1/Managers/bmc/EthernetInterfaces/${active_channel_config['${CHANNEL_NUMBER}']['name']}
+    ...  IPv4Addresses
 
     FOR  ${ipv4_address}  IN  @{ipv4_addresses}
-          ${ip_address_source}=  Set Variable if  '${ipv4_address['Address']}' == '${lan_config['IP Address']}'
-          ...  ${ipv4_address['AddressOrigin']} Address
+        ${ip_address_source}=
+        ...  Set Variable if  '${ipv4_address['Address']}' == '${lan_config['IP Address']}'
+        ...  ${ipv4_address['AddressOrigin']} Address
           Exit For Loop IF  "${ip_address_source}" != 'None'
     END