ox-it/wl-course-signup — pull request #10 by ColinHebert (2012-12-12 17:31:36+00:00)
Title: Replace presentationId with the new property "id"

Also add a new line at the end of the file

This is only the first step to close WL-2568.
The access to [some files](https://staging.weblearn.ox.ac.uk/portal/hierarchytool/73cdb5ce-be5c-4020-b11f-1b7ed5c2b67d/rest/signup/component/19549.csv) creates an exception :

````
org.sakaiproject.portal.api.PortalHandlerException: java.lang.NullPointerException
at org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:885)
caused by: java.lang.NullPointerException
at uk.ac.ox.oucs.vle.SignupResource.getFileName(SignupResource.java:609)
at uk.ac.ox.oucs.vle.SignupResource.access$200(SignupResource.java:47)
at uk.ac.ox.oucs.vle.SignupResource$5.write(SignupResource.java:286)
at com.sun.jersey.core.impl.provider.entity.StreamingOutputProvider.writeTo(StreamingOutputProvider.java:68)
````