Propagate select and active classes from wrappers

Propagates the select and active classes applied to the wrapper elements
of the repetition's iterations to their children.
Cache super() functions
Merge branch 'master' of git://github.com/montagejs/montage into super
Change super cache to just store reference to super on method
Change this.super() calls to named super calls
Add superForValue/superForGet/superForSet methods; add super caching
Super cache is super hard, temp disabled.
Add tests for superFor* methods
remove redundant tests
Add tests for successive super() calls to ensure correct super is also called after initial run (cache).
Should check both value, get and set until match is found.
Move superFor* cache to constructor
Add cache and cache clearing tests
Add cache, cache clearing and constructor tests
Use this.super() in constructor
Define _superCache at serialize() time; Make super* functions non-enumerable; add cache clearing at defineProperty() time; Make Anonymous() constructor use superForValue("constructor")
Make sure stylesheets are loaded before drawing
Add tests to areStylesLoaded
Fix normalizeUrl and add tests
Add constructor to TranslateComposer