limit comment thread length on viewer
update readme
Clean up commenting code.  Wait for annotation id to be returned before adding to sidebar.  fixes #65
Add informational hover on how to annotate. fixes #88 .
remove calls to legacy edit-doc.js
start adding comments to sidebar
remove old note blade template
move all annotation->sidebar actions to angular
add angular files, fix .gitignore
add angular map file
update readme
pull master into demo