Minor href changes
add subscribe
Merge branch 'master' of https://github.com/mazilian/lms299

Conflicts:
	controllers/notes.py
Merge branch 'master' of https://github.com/mazilian/lms299

 Please enter a commit message to explain why this merge is necessary,
merge
Merge branch 'master' of https://github.com/mazilian/lms299
Merge branch 'master' of https://github.com/mazilian/lms299
Merge branch 'master' of https://github.com/mazilian/lms299
add relevant function
update add_message to give all users who subscribed and participated
this note a notification
Add path to documentation
Merge branch 'master' of https://github.com/mdipierro/lms299
created a readme_gradebook.md
added link to the documentation

Update README_gradebook.md to support added link to the documentation
Merge pull request #97 from matus85/master

updated local link to documentation
Added go back buttons; Removed ../.. from hrefs
added readme.txt
fix merge conflicts
added readme missing url
Merge pull request #99 from disler/master

Dropbox readme