add local storage for store the tasks

[mateusortiz]

add local storage for store the tasks
Local Storage for Angularjs
https://github.com/grevory/angular-local-storage

[justinb01981]

Created a fork that adds persistent storage of the notes, and a few other things.
https://github.com/justinb01981/angularjs-collab-board

git log:
commit 88f15a4
Author: Justin Brady justin@domain17.net
Date: Wed Oct 29 22:15:30 2014 -0700

persist notes-list
use fs.writeFile/fs.readFile to save notes list to "notes_$portnum.txt"
add note attributes width/height and buttons to grow/shrink
add note attribute 'color' (just the note body, modifying the div requires work)