Merge pull request #17 from brianjscoles/serverRefactor

reconstruct server-side architecture and Express routing
Add demo
Merge pull request #19 from thejsj/master

Add demo
Add demo_2 folder
Merge pull request #20 from dsinkey/master

Add demo_2 folder
Add sentiment to package.json
Refactor server files
Add instagram and db server
Merge pull request #21 from loringdodge/master

Add instagram and db server
fix syntax error in package.json
fix syntax in bower.json
add crontab
refactor sentiment into module instead of route