first round of plan.js cleaned up. DMPRoadmap/roadmap#431 ...

Refactored logic for annotation tabs. DMPRoadmap/roadmap#431

Re-located notes views within notes folder rather than phases. Moved JS logic to its own file at lib/notes/index.js. DMPRoadmap/roadmap#431

Removed old locking logic in view and JS. DMPRoadmap/roadmap#431

change how updating various status indicators are done fixes: https://github.com/DMPRoadmap/roadmap/issues/182