Merge branch 'Update-os-core-lib-azure' into 'master'

Upgrading os-core-lib version

See merge request !319

provider/indexer-azure/pom.xml

@@ -41,7 +41,7 @@
         <nimbus-jose-jwt.version>8.2</nimbus-jose-jwt.version>
         <indexer-core.version>0.15.0-SNAPSHOT</indexer-core.version>
         <spring-security-jwt.version>1.1.1.RELEASE</spring-security-jwt.version>
-        <osdu.corelibazure.version>0.15.0-rc1</osdu.corelibazure.version>
+        <osdu.corelibazure.version>0.15.0-rc6</osdu.corelibazure.version>
         <reactor-netty.version>0.9.12.RELEASE</reactor-netty.version>
         <java-jwt.version>3.8.1</java-jwt.version>
         <powermock.version>2.0.2</powermock.version>