Merge branch 'cosmosdb_Large_requests' into 'master'

respond with 503 for too many cosmosdb request

See merge request !271

provider/storage-azure/pom.xml

@@ -33,7 +33,7 @@
         <azure.appservice.plan />
         <azure.appservice.appname />
         <azure.appservice.subscription />
-        <osdu.corelibazure.version>0.11.0</osdu.corelibazure.version>
+        <osdu.corelibazure.version>0.12.0-rc6</osdu.corelibazure.version>
         <osdu.storage-core.version>0.12.0-SNAPSHOT</osdu.storage-core.version>
         <junit.version>4.12</junit.version>
         <mockito.version>1.10.19</mockito.version>