Updated models so they can find the things they refer to.
Fixed associations between models
Users can view projects that a user has backed
Backers can see how much they have contributed to projects.
Projects display whether they are funded.
Cosmetic changes to User show page
Removes pledge button if project end date has passed
Refactoring project methods
Added project end date display method and updated Project show view.
On Projects show page: displays how many days are left before end date.
User show page displays projects the user owns
Added start_date and end_date fields to new project form
Minor formatting changes in new project form and tier_fields form
Added new project validations
Merging master with methods branch
Cosmetic changes (indentations, adding '?'s to names of methods which return booleans, checking for presence of goal)
On the first pass I missed some method names which required '?'s.
Previous date display model because to_date(:long_ordinal) isn't working with this particular date selection method for new projects.
Cosmetic changes (line break)
Using inject to sum pledge amounts because ActiveRecord sum helper isn't working for these methods.