More double slash URL fixes

Fix TCs that reference HOST_WATCHDOG_URI.
Fix TCs that reference DUMP_ENTRY_URI.
Fix TCs that reference SOFTWARE_VERSION_URI.
FiX TCs that reference HOST_INVENTORY_URI.
Fix 'Get Endpoint Paths' keyword.

Change-Id: I77e5818a05ef5960ab8b0ffe14c1684ec9bbee39
Signed-off-by: Steven Sombar <ssombar@us.ibm.com>
diff --git a/lib/common_utils.robot b/lib/common_utils.robot
index 7c0d484..594cdd3 100755
--- a/lib/common_utils.robot
+++ b/lib/common_utils.robot
@@ -604,7 +604,7 @@
     # openbmc_url  URL for list operation (e.g.
     #              /xyz/openbmc_project/inventory).
 
-    ${url_list}=  Read Properties  ${openbmc_url}/list  quiet=${1}
+    ${url_list}=  Read Properties  ${openbmc_url}list  quiet=${1}
     Sort List  ${url_list}
 
     [Return]  ${url_list}