Add StreamBody to Ion
remove content type
add methods which don't take length for StreamBody
Merge pull request #68 from joein3d/master

Add StreamBody to Ion
add support for bypassing the cache on requests

Change-Id: I2c78651407198aea0319ff21709d7aae2009184a
Add documentation to asDocument

Change-Id: I6ff66a2d9c2c02714add514553f95eab1e2b4640
Merge branch 'master' of https://github.com/koush/ion

# By joein3d (3) and Koushik Dutta (2)
# Via Koushik Dutta
* 'master' of https://github.com/koush/ion:
  Add documentation to asDocument
  add support for bypassing the cache on requests
  add methods which don't take length for StreamBody
  remove content type
  Add StreamBody to Ion