Remove NetworkImageView.
Cancel service/activity silently.
fix test
name the thread
Merge branch 'master' of https://github.com/koush/ion

# By Koushik Dutta
# Via Koushik Dutta
* 'master' of https://github.com/koush/ion:
  name the thread
  fix test
  Remove NetworkImageView. Cancel service/activity silently.
  Provide access to caches/stores
  Update ion examples.
  java doc for new methods
  Refactor how Context references are held.
Merge branch 'master' of https://github.com/iNdieboyjeff/ion

* 'master' of https://github.com/iNdieboyjeff/ion: