Change location of css files

Channge the location of UserLogin css to CSS file
Change on HTML and CSS

Changes on the user_login.html and UserLogin.css  to login with Tweeter
account
Add twitter login function and modify survey html
Add twitter data retrieve functions
Merge pull request #23 from dhuha/master

new page for workout information form, need to do test
Merge pull request #22 from ZhishenYang/social_media

Add twitter data retrieve functions
Add oauth_key
Merge pull request #1 from ZhishenYang/server

Server
Merge pull request #24 from ZhishenYang/social_media

Add oauth_key
Add tweet data retrieveing function
Merge pull request #21 from ZhishenYang/server

Add twitter login function and modify survey html
Modify retrieve functions
Merge pull request #25 from ZhishenYang/social_media

Social media
Modify test function
Merge pull request #26 from ZhishenYang/social_media

Modify test function
Add error handling for twitter screen name
Merge pull request #27 from ZhishenYang/social_media

Add error handling for twitter screen name
Changes in userpage.html

The style of userpage.html has been change. More changes will be coming
up soon.
alter output function to store result in a json file
Changes in 2 .js files and userpage.html

recommendation.js had a change and delete it.
survey.js  Parses the self rating nutritional data from the form and
updates tags rating and uses the tag scores from the nutritional
recommendation form data to generate a tag string, but it is missing the
code for parsesing the nutritional recommendation data from the form and
updates tags .
userpage.html hada some css changes.