1. Fixed merge conflicts
2. Added application configuration debug statement
Merge branch 'development' of bitbucket.org:native5/native5-sdk-client-php into development
Merge branch 'development' of github.com:native5/native5-sdk-client-php into development
Added support for preventing multiple logins.

    * Multiple login configuration support added in app settings.
    * Send hashed unique token to backend if multiple login check is added.
Fixed issue with multiple logins & settings parameter for multiple logins
Removed schema directory
Merge branch 'ftr_multiple_logins' into development