Merge pull request #2 from Skylab/master

Change Readme
Delete Gemfile.lock and modified gitignore.
Bundle install
Change database from sql to pg.
Change rename file name
Fixing bugs
Changes to gemfiles
Changes to Gemfile for Upgraded Rails
Changes index.html for Bootstrap.
Add Bootstrap and Styles to Welcome Page.
Customized Welcome Page
Changes to index file
Heroku bug fix
Changes to Gemfile for Rails gem
Heroku bug fix2
Bug fixes
bug fixes
New version of QA