Updates Serverless & Ember CLI

Dockerfile

@@ -101,10 +101,10 @@ RUN curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-
 
 ############# Install ember & serverless dependencies
 RUN \
-	npm install -g ember-cli@2.7.0 &&\
+	npm install -g ember-cli@2.8.0 &&\
 	npm install -g bower@1.7.9 &&\
 	npm install -g phantomjs@2.1.7 &&\
-	npm install -g serverless@v1.0.0-rc.1
+	npm install -g serverless@v1.0.0-rc.2
 
 # Install aws dependencies
 RUN \