This matches expected behavior; e.g. UITableView works the same. We're still checking if the offset is acceptable with min/max values.
…ng controllers from the tabbar
…l scroll indicator
…due to animation option
… while using iOS5 features when possible. (uses weak when available) There are still some problems with getting the Gesture Recognizers and changing layout strategy doesn't work yet, but it's a start. Plus, this fixes a missing subclass from NSObject in GMGridViewLayoutStragegyFactory, which works for iOS5 but crashes with runtime problems in NSInvocation in iOS4.