update environ files
add piazza email update functionality
add tables, create a mess
piazza integration
Merge branch 'master' into piazza-integration
Merge branch 'master' of https://github.com/project-camelback/camelback-rails
piazza integration
piazza integration
piazza integration changes
fixed piazza integration
fixed piazza integration
fixed piazza integration
Merge branch 'master' of https://github.com/project-camelback/camelback-rails
Merge branch 'master' of https://github.com/project-camelback/camelback-rails
add regex to email processor
Merge branch 'master' of https://github.com/project-camelback/camelback-rails into piazza-integration
Merge branch 'master' into piazza-integration