Move notes resources to assets directory

diff --git a/public/images/closed_note_marker.png b/app/assets/images/closed_note_marker.png
similarity index 100%
rename from public/images/closed_note_marker.png
rename to app/assets/images/closed_note_marker.png

diff --git a/public/images/new_note_marker.png b/app/assets/images/new_note_marker.png
similarity index 100%
rename from public/images/new_note_marker.png
rename to app/assets/images/new_note_marker.png

diff --git a/public/images/open_note_marker.png b/app/assets/images/open_note_marker.png
similarity index 100%
rename from public/images/open_note_marker.png
rename to app/assets/images/open_note_marker.png

diff --git a/public/javascripts/notes.js b/app/assets/javascripts/notes.js
similarity index 100%
rename from public/javascripts/notes.js
rename to app/assets/javascripts/notes.js

diff --git a/public/stylesheets/notes.css b/app/assets/stylesheets/notes.css
similarity index 100%
rename from public/stylesheets/notes.css
rename to app/assets/stylesheets/notes.css