Merge pull request #1058 from edasque/master

Reverted Dockerfile to put the CMD back

Dockerfile

@@ -25,4 +25,5 @@ ENV subproject=ez
 ENV keymap=default
 
 VOLUME /qmk
-WORKDIR /qmk
+WORKDIR /qmk
+CMD make clean ; make keyboard=${keyboard} subproject=${subproject} keymap=${keymap}