Set Up Your IntelliJ Project
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1. install node
    wget http://nodejs.org/dist/node-latest.tar.gz
    tar zxf node-v0.xxx.tar.gz
    cd node-v0.xxx
    ./configure
    make
    make install
2. npm install -g bower
3. npm install -g grunt-cli
4. bower install --allow-root
5. npm install
* (if you don't have sass, you can run commands below)
    *a. yum install ruby
    *b. yum install rubygems
    *b. gem install sass