fix a crash when resizing with a dimension to 0 (based on the ImageView dimensions)
Merge pull request #298 from robUx4/fix_resize_crash

fix a crash when resizing with a dimension to 0 (based on the ImageView dimensions)
resize bitmaps to a better quality version (with bilinear filtering)
See this thread http://stackoverflow.com/a/7468636
don't draw the resized bitmap if the source and destination are the same
only allocate the return Bitmap when we know we'll need one
Merge pull request #300 from robUx4/dont_resize_same_size

don't draw the resized bitmap if the source and destination are the same
Merge branch 'better_resize_quality' into robux4_master

Conflicts:
	ion/src/com/koushikdutta/ion/DefaultTransform.java