Merge pull request #6 from pbyrne222/master

updated mailers
resolved problems are working, note names are showing up, plus some mailer work
Merge pull request #7 from pbyrne222/master

fixed mailer testing errors
merge conflicts resolved
tackling mailer issues
mailer tests update
mailer test updated
all mailer functions working properly, plus some styling
adjusted home page loop, working on heroku
send grid
internal link in email not working
still working on interior links
that's hilarious, not really
man, this is fun
this has to be it, links in mailers
favicon
hmwk hlpr
one last try for seed data on heroku
modified note model
Merge https://github.com/deedeelavinder/hw_helper