updated readme
Updated comment for Usergrid.Entity

UUID should be included in the nested 'data' json object not outside of it.
Merge pull request #24 from amuramoto/patch-2

Updated comment for Usergrid.Entity
isLoggedIn modify
null -> 'null'
updated to 0.10.7
added minimized ver
Merge branch 'master' of github.com:apigee/usergrid-javascript-sdk

Conflicts:
	README.md
updated readme
updated change log
updated gh-pages links
Merge pull request #26 from r2fresh/loginCheck

value of the results of the 'isLoggedIn' function is not good.