Cluster mails on exercise, not on commenter
Memoize languages we worked in

Otherwise this was requested multiple times in at least
the submission page with comments
Also start mail catcher using foreman
make sure foreman uses the same port as indicated in the readme
Adjusted read me to using foreman
Made process bit more sequential than nested
Merge pull request #1227 from markijbema/make-startup-easier

Make startup easier
Merge pull request #1228 from markijbema/simplify-seeding

WIP: Cleanup seeding
Clean up old help urls
Merge pull request #1226 from markijbema/memoize-language

Memoize language
Merge pull request #1224 from markijbema/cluster-mail-on-exercise

Cluster mails on exercise, not on commenter
Add v1.0 homepage
Add v1.0 about page
Add v1.0 getting started page
Add v1.0 help section
Add rough draft of v1.0 exercise page
Removed dead code
Merge pull request #1231 from markijbema/remove-each-attempt

Removed dead code
java: Add sample nucleotide-count implementation
java: Import template for grade-school