Initial commit for native5 client sdk.
Refactored and removed redundant code from client library.

Refactored services to native5-sdk-services-php.
Removed dead code in Security
Updated README and references to common sdk.
Modified composer.json to remove hardcoded version and removed unused packages
Moved reference of commons-sdk from require to require-dev
Fixed merge conflicts
Fixed issue with assigning $_SESSION superglobal.

Assigning $_SESSION superglobal by reference using & operator.
Fixed issue with passing elements by reference.

Fixed issue around passing login subjects by reference. Needed to be moved to callee
instead of caller.
Added default path for cache in case cache path is undefined.

Default cache path defined in case of missing cache settings.
Added checks for default paths in TwigRenderer.

Added default path checks in Twig renderer.
Refactored configuration into global settings.yml file.

    Moved all configuration into settings.yml file.
    Removed all references to explicit `define`.
    Added default handlers for all settings.
Removed reference to APP_NAME in Application.php

Removed all references to APP_NAME
Fixed syntax error
Corrected build path of resources
Corrected Cache Path constant checl
Fixed path issues with renderer
Updated Path to public resources folder
Temporarily commented out CachedSessionHandling to check app deployment
Removed redundant dependencies from composer.json
Added filter for adding security nonce to url strings