Update readme.markdown

* You no longer need sandbox.api.moj.io  (this is determined by your app secret key
* Also there is and error when you create new Mojio .. this should be new MojioClient
Merge branch 'release/v1.4.1'
Merge branch 'release/v1.5.0'
increase timeouts on tests.
delay increased
Force data type to always expect json.  There was an issue in some versions of firefox where the result of a query was not being returned as a string instead of being parsed as json.
fix to event query with criteria test.
Version 1.5.1
Merge branch 'release/v1.5.1'
Merge branch 'release/v1.5.1' into develop
cdn version to 1.5.1
Merge branch 'master' into develop
version 1.5.1 files
Merge branch 'master' into develop
Updates to cdn index files and version directories
Merge pull request #1 from coreyauger/master

Update readme.markdown
Merge branch 'develop'
Merge branch 'develop' into feature/robb/oauth2