lms - revises the physical height of the edX logo within the slim-sized header and vertically aligns all elements

  - ops view for the desktop app to talk to
  - xmodule that talks to the foldit model and displays the student's state
  - grading tweak to make grade updates from an external service work:
    - Add an always_recalculate_grades property to XModuleDescriptor.

lms - pearson: styled return to exam link on timer and revised timer positioning to not interfere with main course nav

fix a bug in the grading service renderer

fix a bug in the grading service renderer

temporary style sync up for course info lists - more work needs to be done once xmodule renders this HTML (in Studio backlog)

lms - revising xmodule HTML display styles and overwriting some to retain old syllabus table styling