Clickable url on comment email

Having a valid url makes some email clients to create a linkable url each is useful (at least for me).

Also changed the profile url to use `site_root`
Merge pull request #1068 from ismaelga/patch-2

Clickable url on comment email
haskell: add three element test case for reversing a linked list
added re-usable JS test runner
haskell: add an apt-get update to the bootstrap
initial editorconfig file
Breaks away from Ruby rendition semantics in order to better adhere to modern JS idioms
Merge pull request #1070 from etrepum/haskell-exercises

haskell: add three element test case for reversing a linked list
Merge pull request #1071 from wilmoore/js-test-runner

JavaScript test runner
Merge pull request #1072 from wilmoore/editorconfig

initial editorconfig file
Merge pull request #1073 from wilmoore/refactor-js-accumulate

Breaks away from Ruby rendition semantics in order to better adhere to modern JS idioms
Fix broken tests after site_root fix in email
Give teams names
Add sum of multiples exercise for elixir
Merge pull request #1074 from petehuang/add-sum-of-multiples-elixir

Add sum of multiples exercise for elixir
Merge pull request #1059 from petehuang/add-strain-elixir

Add strain exercise for elixir
Open perl5 curriculum
Fix typespecs in elixir strain and accumulate, move both earlier in curriculum