Added a new problem to be solved with the very beginning of hamcrest set of matchers.
Added hamcrest dependencies, also refactored to use hamcrest core assertThat method instead of junit's one.
Changed all test cases to use the basic hamcrest matchers.
Added hamcrest test for topThree collection.
Create a new problem to be solve.
Changed problem to be clear what should be done.
Fixed not passing test, that was made based in the old business rule that was allowed to create bid with zero as amount.
Adding A matcher that verifies if the given Bid is present is some auction, also used it in a test.
Moved to the matchers package
Changed the MatcherName to make clear what does it for
Merge pull request #8 from helmedeiros/ManagingHamcrest

Managing hamcrest