remove gems and files for active job
Revert "setup resque initializer and rake task"

This reverts commit 7a41944c0775e6c18014e7c8bcdc42b271bb14b8.
Revert "setup for active job"

This reverts commit 25171aa59a2444532bcb7be813d2fb8683e0a645.
Merge pull request #24 from ryohashimoto/remove_resque

Remove resque