Issue workflow guide

1. Each new issue should have:
   1. detailed description of bug or feature
   2. any proposed solutions
2. Each new bug should have:
   1. steps to reproduce
   2. actual and expected behaviors
3. Each new feature should have:
   1. acceptance criteria
   2. when closed
      1. steps to update / use in release notes
      2. update of the appropriate wiki page to describe it
   3. tests for previous behavior that still pass
4. Issues should be closed with the closes #x syntax