Update LICENSE

proper company name
Update README.md

encourage users to use share_url.   safe_url will be deprecated later.
proposed add resources method
clarifying comments on add resources method
more clarifications on add resources API
better examples of returned json along with pretty formatting
better examples of returned json along with pretty formatting
better examples of returned json along with pretty formatting
error in add resource example
more minor fixes in examples
expanded doc of resource add method
+ added OAuth2 usage section
+ changed 'add resource' call block
document one at a time resource load
image attribute
only image links
+ added OAuth2 usage section
applying for API accounts
merging with OAuth2 doc
remove reference to thumbnail
+ fixed JSON format (missed comma)