Fixed setHitboxTo for HTML5
Fixed setHitboxTo for HTML5

Fixes a browser platform specific problem(#514) with respect to Std.int
not throwing errors but instead overriding all passed in defaultValue(s)
to zero. This was causing problems for origin x/y being incorrectly
overwritten.

Reflect.hasField could have been used but is only expected to work for
anonymous structures.

- Removed Flash gaurd
- Fixed(?) base git issues

MattTuttle/HaxePunk,wselken/HaxePunk,HaxePunk/HaxePunk