README edits #141

Merged
merged 3 commits into from Mar 8, 2014
Commits on Mar 7, 2014
  1. Updated README

    kookster committed Mar 7, 2014
    Edited section on modes in description to reflect as_json instead of to_hash.
    
    Added section regarding Rails compatibility, created new heading for Compatibility.
    
    Broke out the JSON Processing Alternatives section, and edited.
  2. A bit more editing

    kookster committed Mar 7, 2014
    Read it over a bit more and edited a few more things, changed the formatting a bit.
    Hope you don't mind and find this helpful.
  3. more edits top rails section

    kookster committed Mar 7, 2014
    take -> make, and more specifics for how to get Oj working with which version.