Changing FIREFOX_VERSION from devedition-latest to nightly-latest (SeleniumHQ#1672)

Changing FIREFOX_VERSION from devedition-latest to nightly-latest to fix SeleniumHQ#1670

Author: jamesmortensen

Makefile

@@ -80,7 +80,7 @@ firefox: node_base
 	cd ./NodeFirefox && docker build $(BUILD_ARGS) $(FROM_IMAGE_ARGS) -t $(NAME)/node-firefox:$(TAG_VERSION) .
 
 firefox_dev:
-	cd ./NodeFirefox && docker build $(BUILD_ARGS) $(FROM_IMAGE_ARGS) --build-arg FIREFOX_VERSION=devedition-latest -t $(NAME)/node-firefox:dev .
+	cd ./NodeFirefox && docker build $(BUILD_ARGS) $(FROM_IMAGE_ARGS) --build-arg FIREFOX_VERSION=nightly-latest -t $(NAME)/node-firefox:dev .
 
 firefox_beta:
 	cd ./NodeFirefox && docker build $(BUILD_ARGS) $(FROM_IMAGE_ARGS) --build-arg FIREFOX_VERSION=beta-latest -t $(NAME)/node-firefox:beta .