use yarn on CI

Author: pasupulaphani

.travis.yml

@@ -4,6 +4,12 @@ node_js:
   - '5'
   - '6'
   - 'node'
+before_install:
+  - sudo apt-key adv --keyserver pgp.mit.edu --recv D101F7899D41F3C3
+  - echo "deb http://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
+  - sudo apt-get update -qq
+  - sudo apt-get install -y -qq yarn
+install: yarn
 services:
   - redis-server
 after_success:

README.md

@@ -7,7 +7,7 @@
 # simple-redis-store
 Redis store ready to scale with node-pool support
 
-> Note: This lib is still in alpha
+> Note: This lib is in beta
 
 ## Prerequisites