Added mention of Drupal.user's unavailability during hook_deviceready().
Added drupalgap.content_types_list, removed some old commented out code.
Updated hook_install() documentation.
Changed drupalgap_service_resource_extract_results() to extract the content_types_list and set them onto the drupalgap JSON object.
Merge branch '7.x-1.x-alpha' of https://github.com/signalpoint/DrupalGap into 7.x-1.x-alpha
Updated binary.