- process get recordings api call

...b/src/main/java/org/bigbluebutton/api/MeetingService.java

...src/main/java/org/bigbluebutton/api/RecordingService.java

.../java/org/bigbluebutton/api/domain/RecordingMetadata.java

...bigbluebutton/api/util/RecordingMetadataReaderHelper.java

.../main/java/org/bigbluebutton/api2/RecordingServiceGW.java

...n/scala/org/bigbluebutton/api2/RecordingServiceGW2x.scala

.../main/scala/org/bigbluebutton/api2/domain/Recording.scala

.../scala/org/bigbluebutton/api2/util/RecMetaXmlHelper.scala

bbb-common-web/src/test/resources/sample-metadata.xml

...a/org/bigbluebutton/api2/util/RecMetaXmlHelperTests.scala

bigbluebutton-web/grails-app/conf/spring/resources.xml

...rs/org/bigbluebutton/web/controllers/ApiController.groovy