Fixed the Validation behavior.
Merge pull request #2 from chaddoy/develop

merged.
Merge pull request #3 from iammary/develop

Ok. Merged. :*
Fixed the Validation bugs.
Create Account
	- Changed the emptyFields method’s condition to a shorter one.
Fixed the Validation bugs.
Create Account
	- Changed the emptyFields method’s condition to a shorter one.
Merge branch 'develop' of https://github.com/chaddoy/dirtyEd into develop

* 'develop' of https://github.com/chaddoy/dirtyEd:
  Create Account 	- Changed the emptyFields method’s condition to a shorter one.
  Fixed the Validation bugs.
Modified create account validation behavior
	- Implemented the Username duplication error.
	- Created a new backbone model for checking of usernames.

Modified the user profile api
	- Added a new route for checking of usernames.
	- Added a 404 response in the showProfile method if username is not found.
Modified create account validation behavior
Modified create account validation behavior
Modified create account validation behavior(1134)
  - Implemented the Username duplication error.
  - Created a new backbone model for checking of usernames.

Modified the user profile api
  - Added a new route for checking of usernames.
  - Added a 404 response in the showProfile method if username is not found.
Repository clean up

- Added .gitignore
- Modified package.json
- Removed node_modules directory
User variable for server.js port number