* changes:
Remove BitmapRevFilter.getCountOfLoadedCommits
Make BitmapBuilder.getBitmapIndex public
Deprecate BitmapBuilder.add and introduce simpler addObject method
Add @Override annotations to BitmapIndexImpl
Rely on bitmap RevFilter to filter walk during bitmap selection
Use 'reused' bitmap to filter walk during bitmap selection
Rely on bitmap RevFilter to filter tip commit setup walk
Use 'reused' bitmap to filter tip commit setup walk
Include ancestors of reused bitmap commits in reuse bitmap again