Fixed some typos in the admin settings form for `salesforce_management_api`. The `#default_value` on the Activity Log Level field was an invalid name, so the form would never reflect the actual setting.
Merge pull request #298 from JacksonRiver/6.x-3.0-dev-jr-typos-salesforce_management_api

Fixed some typos in the admin settings form for `salesforce_management_api`