Add Ed to Core Contributors

This commit adds Ed to the Core Contributors

Signed-off-by: Alex Ellis (VMware) <alexellis2@gmail.com>

CONTRIBUTING.md

@@ -141,6 +141,7 @@ The Core Contributor group includes:
 - Stefan Prodan (@stefanprodan)
 - Lucas Roesler (@LucasRoesler)
 - Burton Rheutan (@burtonr)
+- Ed Wilde (@ewilde)
 
 The Core Contributors have the ear of the project lead and help with strategy, project maintenance, community management and make a regular commitment of time to the project. Core Contributors attend all project meetings and calls.