Fix a weird spacing thang.
It's DocHub not do chub.
Security is impawtant.
Clean up long lines in html attributes step with heredocs
Support a PORT environment variable.
Warn folks to check they're in the right Gemfile.
Replace more single-line HTML things with heredocs
Merge branch 'master' into clarify-gemfile-role
Heredocify the remaining crazy strings in frontend site
Update RailsInstaller instructions

...to be less fearful that people will watch the video