Fixed error in reflection API docs about linearization order on method baseClasses

Doc comment for method `baseClasses` in `SymbolAPI` and `TypeAPI` incorrectly claims that the method returns a list of base classes in reverse linearization order, when the list returned is actually in linearization order (not in reverse).

For fun, the spec (ignore references to `ScalaObject`):
![](http://f.cl.ly/items/1v1l2y1v3v1A3U0B3m35/Screen%20Shot%202013-02-19%20at%2010.34.25%20PM.png)

review by @retronym, @xeno-by