Allow subdomain wildcards to be specified for CORS origin headers using https.

Restrict default build to acceptable Netflix and YouTube origin headers; created new debug makefile target for full whitelist testing.

makefile

@@ -3,6 +3,8 @@ DIRS += server
 
 all:
 	for dir in $(DIRS); do (make -C $$dir || exit 1) || exit 1; done
+debug:
+	for dir in $(DIRS); do (make debug -C $$dir || exit 1) || exit 1; done
 clean:
 	for dir in $(DIRS); do (make clean -C $$dir || exit 1) || exit 1; done