Add helm-css-scss

https://github.com/ShingoFukuyama/helm-css-scss
Merge pull request #1119 from yasuyk/helm-css-scss

Add helm-css-scss
Add a recipe for flycheck-tip
Recipe for dired-toggle-sudo

Summary: Browse files and directories with sudo privileges. With a
  simple keystroke, you can view and edit root files and directories.

Association with the package: I like the package a lot and contributed a
  commit years ago.

Repository: https://github.com/renard/dired-toggle-sudo/

Communication with package maintainer: none, the package was already
ready.

Tests: the package builds and installs properly.
Recipe for pier-mode

Summary: Emacs Major mode for Pier-formatted text files.

Association with the package: I am the maintainer.

Repository: https://github.com/DamienCassou/pier-cl

Communication with package maintainer: none, the package was already
ready.

Tests: the package builds and installs properly.
Merge pull request #1122 from DamienCassou/recipe-dired-toggle-sudo

Recipe for dired-toggle-sudo
Adding docker-mode.
Merge pull request #1123 from DamienCassou/recipe-pier-mode

Recipe for pier-mode
Merge pull request #1121 from yuutayamada/master

Add a recipe for flycheck-tip
Merge pull request #1120 from justinabrahms/docker-mode

Adding docker-mode.
Remove defunct vlfi package
Make monokai recipe use the github fetcher.

This will make the info on the website more featureful.
Remove magithub recipe.

Fixes #1126
Allow for builds to run simultaneously.

By recording each package's archive-entry separately we are able to
build each recipe independently and then compile the archive contents
afterwards.