misc: Update author information

Author information was added to any file
with the standard license text.
Authors were added that added/changed >= 3%
of the lines of a file.
diff --git a/layers/apidump.h b/layers/apidump.h
index 72ddd7d..41a10c1 100644
--- a/layers/apidump.h
+++ b/layers/apidump.h
@@ -20,8 +20,9 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  *
- * Authors:
- *   Courtney Goeltzenleuchter <courtney@lunarg.com>
+ * Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
+ * Author: Jon Ashburn <jon@lunarg.com>
+ *
  */
 #pragma once