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/extended/test_watchdog.robot b/extended/test_watchdog.robot
index 51c4613..1c05d9a 100644
--- a/extended/test_watchdog.robot
+++ b/extended/test_watchdog.robot
@@ -131,7 +131,7 @@
     #               "Interval":Integer, "TimeRemaining":Integer)
 
     ${valueDict}=  Create Dictionary  data=${value}
-    ${resp}=  OpenBMC Put Request  ${HOST_WATCHDOG_URI}/attr/${setting_name}
+    ${resp}=  OpenBMC Put Request  ${HOST_WATCHDOG_URI}attr/${setting_name}
     ...       data=${valueDict}
     Should Be Equal As Strings  ${resp.status_code}  ${HTTP_OK}