Drops a residue from debugging.
Welcomes scala-mode to my prog-modes by adding the usual customization and
asking ENSIME to behave.

Adds scala-mode snippets from
https://github.com/capitaomorte/yasnippet/tree/master/snippets/scala-mode
Bans ' pair from message mode as well.
Shows tasks that are tagged as WAITING when looking at agenda inbox view.
Updates org submodule.
Adds org-magit library.
Adds helm-git.

 - Adds helm-git source to main jump sources.
 - Monkey-patch helm-git to work with non-git directories.
Makes sure we see refined hunks in magit buffers where possible.
Adds basic Gnus setup.

 - Newsgroups via GMANE,
 - two IMAP accounts,
 - searching via nnir,
 - HTML rendering directly via w3m,
 - and more basic setup.
Tweaks the command-group macro by setting the last-command variable.
Activate winner-mode globally and binds its commands in a group.
Updates the color-theme submodule.