mailchimp 7.x-2.0-beta1

Changes since 7.x-2.0-alpha2:

• Added Quota and Send stats reports and the mail key is being sent as the tag to the STS send function.
• Renamed wrapper class file.
• First pass at STS integration complete and working.
• Basic settings form now renders. Verified emails can be added.
• Initial commit of new sts sub-module.
• Fix typo.
• Trimming some white space.
• Adding a setting to use a secure connection when communicating with the MC API.
• Use a variable for the batch limit.
• Enabled webhooks to update MC member info for a given list.
• Added webhook setting and configured or deleted webhooks upon submission.
• Changed incorrect calls to mailchimp_get_api_object().
• Quick run through coder to fix formatting.

IMPORTANT: This is genuine beta code, which, while stable and well tested, is not yet recommended for use on a production site, in particular the STS integration.