use separate secrets for user and admi tokens

...rizer/src/asapo_authorizer/authorization/authorization.go

authorizer/src/asapo_authorizer/cli/command_test.go

authorizer/src/asapo_authorizer/cli/create_token.go

authorizer/src/asapo_authorizer/cli/create_token_test.go

authorizer/src/asapo_authorizer/server/authorize.go

authorizer/src/asapo_authorizer/server/authorize_test.go

authorizer/src/asapo_authorizer/server/folder_token.go

authorizer/src/asapo_authorizer/server/issue_token.go

authorizer/src/asapo_authorizer/server/issue_token_test.go

authorizer/src/asapo_authorizer/server/server_nottested.go