Fix issue 351: Vertical text alignment

NIAttributedLabel.verticalTextAlignment stopped working correctly in
commit c856b9b.
Fixed debugging functions for Objective C++
Merge pull request #431 from jessevb/master

Fixed debugging functions for Objective C++
[pagingscrollview] Add moveToPageAtIndex:animated:updateVisiblePagesWhileScrolling: method.

This makes it possible to show the pages that aren't n-1 or n+1
from the original page during an animation.
[NIDebuggingTools]
Untangle linkage specification from other macros.
Merge pull request #440 from jverkoey/cleanup

[NIDebuggingTools] Untangle linkage specification from other macros.
Merge pull request #374 from mmorearty/patch-vertical-text-alignment

Fix issue 351: Vertical text alignment
Implement indexPathForObject: on NITableViewModel and NICollectionViewModel.
Add function docs for indexPathForObject:
Merge pull request #451 from jverkoey/indexPathForObject

Implement indexPathForObject: on NITableViewModel and NICollectionViewModel.
[css] an example plumbing for multi-component styles
Merge branch 'master' of github.com:djMax/nimbus
Merge branch 'master' of github.com:djMax/nimbus
[css] catch exceptions when updating strings in UI code, and handle multiple css classes in a single string
Merge branch 'master' of git://github.com/jverkoey/nimbus
[css] looks like "detach" was never wired up
[css] Fix bad paste before checkin
[css] Fix "complex selectors" (e.g. .container .something and .container .another #something)
[css] Allow UIImageView styling (essentially for the -mobile-image property)
Merge pull request #18 from djMax/mm_nimbusmerge

Merge latest jverkoey/nimbus, and a change to CSS class setting from XML to allow multiple classes.