Work out what fields and properties we need on platforms

Hostmaster 6.x-1.x has the concept of a platform, with some associated fields in the DB, we should work out what they are, and then work out if they should be properties or fields on the entities, and then we should work out which modules they should live in.

Currently 6.x-1.x stores the following about each platform:

• Platform name (node title).
  
  A unique descriptive name for your platform.
• Publish path (hosting_platform table).
  
  The absolute path on the filesystem where the sites will be hosted.
• Makefile (hosting_platform table).
  
  A makefile to use, this basically is just a property passed to the backend context.
• Web server (hosting_platform table).
  
  The webserver to deploy the platform to.
• Status (hosting_platform table).
  
  The current status of the platform, verified, deleted etc.
• Verified (hosting_platform_table).
  
  The time that this platform was verified.
• release ID (hosting_platform table).
  
  Really not sure what this is about.