Merge pull request #15 from thejsj/master

Add demo files. Update bower and package.json. Add gulp
Refactor server code
Refactor server code
small changes
rip bower_components and node_modules from repo. update .gitignore
update .gitignore
refactor / re-org many server files
static files now served properly.  other routes disabled for now.
set up sentiment-parsing route
refactor sentimentRouter return value
bit more refactoring and commenting for sentimentRouter
Merge pull request #17 from brianjscoles/serverRefactor

reconstruct server-side architecture and Express routing
Add demo