initialize global access-grant from shared preferences
add and use member for retry-count
organize members with comments
add request-listener that updates retry-count and internal access-grant to retry-policy
add actual request-listener for retry-policy (instead of null)
remove todo-comment from retry-policy: service will handle grant for all requests
move around todo-comments, requests should get grant from shared prefs
set default retry-delay to 2500ms (as in DefaultRetryPolicy)
refactor retry-count to 1 for oauth-errors
cleanup of retry-policy
refactor shared-prefs access in spice-service: use final static string members
add request-listener-class to handle grant-requests in spice-service
update global grant on successful grant-request
update grant in shared prefs on successful grant-request
formatting whitespaces
add listener to update global grant to set of request-listeners for grant-requests