Add comments feature

Update README.md

with pivotal workflow

Added admin panel, continued progress on registration

basic comment model, nothing fancy yet
no controllers or views yet

comment controller and views...
not fully working yet

NEED HELP: working on comments
currently there is an error on /comments/new and I can't figure out what is wrong

basic index path name (still not working)

add the comments relationship to project model (still not working)

Fix routing for comments

comments working

comment tests - model tests working
controller tests currently have errors

add comments to project view page...
does not yet work with nested comments

add bootstrap button

add the comments relationship to project model (still not working)

comment tests - model tests working
controller tests currently have errors