Fix travis build.

.travis.yml

@@ -2,5 +2,6 @@ language: node_js
 node_js: stable
 firefox: "39.0"
 before_script:
+  - "npm install -g bower"
   - "export DISPLAY=:99.0"
   - "sh -e /etc/init.d/xvfb start"

Makefile

@@ -1,11 +1,19 @@
-SELENIUM_JAR = tmp/selenium-server-standalone.52.0.jar
+SELENIUM_JAR		= tmp/selenium-server-standalone.52.0.jar
+BOWER_COMPONENTS	= tests/integration/pages/components
+NODE_MODULES		= node_modules
 
 all: test dist_build
 
 $(SELENIUM_JAR):
 	wget http://goo.gl/qTy1IB -O $(SELENIUM_JAR)
 
-prepare: $(SELENIUM_JAR)
+prepare: $(SELENIUM_JAR) $(BOWER_COMPONENTS) $(NODE_MODULES)
+
+$(NODE_MODULES):
+	npm install
+
+$(BOWER_COMPONENTS):
+	bower install
 
 unit:
 	./node_modules/.bin/gulp test
@@ -32,6 +40,6 @@ run_integration: normal_build
 
 integration: selenium run_integration kill_selenium
 
-test: lint unit integration
+test: prepare lint unit integration
 
 .PHONY: test unit prepare