allow afterRender on module binding to be defined later when passing …

…an observable and initial value is null/undefined.

fixes rniemeyer#16

update example optimized build

avoid dependencies on disposal check, even in dom disposal

avoid dependencies in disposal

Add the ability to call a dispose function when module is removed. Bu…

…mp version to 0.5.0.

refactor anonymous binding check

allow afterRender function to be different per module

fixes rniemeyer#7