made changes to tables upto non_itis adding in strings for enums
deleted the models with enumeration and changed to strings, configured .gitignore better
so now use of git add -A is possible. Ran program and works fine, scaffolding generated for majority of new models
added some scaffolding for the models
added rails_admin setup initial configuration setup
Merge pull request #15 from jjliang/Release0.5

added rails_admin setup initial configuration setup
added some roles
changes to roles
Linked dataentry citation and authors to tables.
edited the controller so that authorization is checked for now
user only has permission to access dashboard and not datentry and created controllers for the rest of the models
centered the edit page for users for now
authorization checks now happening in views instead of controllers
fixed error for citations path in routes.rb closing issue
fixed typo in visualizations tab
some minor changes to dashboard controller
Worked out the load_and_authorize resource in the application controller so that the
resources are loaded and checked and added require_authentication to all views and
skipping the home view.
This commit has changes to the abilities.rb for user roles. Also there are changes
to the model class names so that they match the name of the model.rb file
'table_associations'