Added tests for IterationValidator

MockData.java file
Merge branch 'dev-feature-iteration2-tests' of https://github.com/alexhenning/wpi-suite-tng into dev-feature-iteration2-tests
Merge branch 'dev' into dev-feature-iteration2-tests
Add dates test to iteration validator
Merge remote-tracking branch 'origin/dev-feature-iteration2-tests' into dev