Updated problem dao and tests.
Added more prereq methods.
Updated Login method to return the user's info.
Merge pull request #17 from jwien001/master

More Dao work and update to Login method.
Beginning of Model layer.

Created BaseModel class.
Renamed DataAccessObject to BaseDao for naming consistency.
Created DaoFactory class.
Created simple Model layer.

It may look like a bunch of useless passthroughs right now, but more
complex business logic and validation can be added later.
Merge pull request #18 from jwien001/master

Model layer
Changed Login call in Controller

Also put back Maggie's html lines for email, password, and remember me
for the signin page
Wrote query to retrieve locked and unlocked sets.

Also modified the test data to test the query.
Added GetForStudent method to ProblemSetDao.

Also modified tests to match new test data.
Merge pull request #20 from jwien001/master

GetForStudents method
Merge pull request #19 from rlobo3/master

Changes to Login function in Controller and signin.cshtml
Merge branch 'master' of https://github.com/TeamRedInc/red-inc