resize bitmaps to a better quality version (with bilinear filtering)
See this thread http://stackoverflow.com/a/7468636

Conflicts:
	ion/src/com/koushikdutta/ion/DefaultTransform.java
Merge pull request #299 from robUx4/better_resize_quality

resize bitmaps to a better quality version (with bilinear filtering)
Fix concurrent modification error.
https://github.com/koush/ion/issues/244
Merge branch 'master' of https://github.com/koush/ion

# By Koushik Dutta (1) and Steve Lhomme (1)
# Via Koushik Dutta
* 'master' of https://github.com/koush/ion:
  Fix concurrent modification error. https://github.com/koush/ion/issues/244
  resize bitmaps to a better quality version (with bilinear filtering) See this thread http://stackoverflow.com/a/7468636