Etag support missing for RM

[dhakehurst]

    public String getETagFromRequirement(final Requirement aResource)
    {
        String eTag = null;
        // Start of user code getETagFromRequirement
        // TODO Implement code to return an ETag for a particular resource
        // End of user code
        return eTag;
    }
    public String getETagFromRequirementCollection(final RequirementCollection aResource)
    {
        String eTag = null;
        // Start of user code getETagFromRequirementCollection
        // TODO Implement code to return an ETag for a particular resource
        // End of user code
        return eTag;
    }