Checks for ATALibJ Classes

Checks.txt

Security:
_ Internally used objects are private
_ All fields that can be final are final
_ All methods that are depended on in other methods should be final
_ Classes that are not final should not use its non-final methods inside of any of its own methods
_ Classes that should not be extended should be final
_ Internal classes should be static whenever possible
_ Enums should have private constructors
_ Minimize accessibility
_ Minimize mutability
_ Prevent accessibility of composing objects
_ Check parameters for validity
_ Make defensive copies when needed
_ Include failure information in exceptions
_ All non-settings functions in modules must call ensureEnabled() before starting

Structure:
_ Overrides toString() when applicable
_ Implement Comparer when possible
_ Refer to and use interfaces instead of implementations whenever it is possible

Naming:

Functionality:

Documentation:
_ Document all public and protected elements
_ Fully document every checked and unchecked exceptions thrown

Addresses Summer-of-FIRST/atalibj#29