scd: Fix card removal/reset on multiple contexts.
* scd/app.c (application_notify_card_reset): Add message for debug. *scd/command.c (update_card_removed): Call release_application and set SLOT -1 here. (struct server_local_s): Remove app_ctx_marked_for_release. (do_reset): Don't mark release but call release_application here. (open_card): Remove app_ctx_marked_for_release handling. (update_reader_status_file): Don't set SLOT here, so that it can be released the APP by application_notify_card_reset in update_card_removed.
Backport of master commit: 1598a4476466822e7e9c757ac471089d3db4b545
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>