Merge remote-tracking branch 'upstream/master'
Added autocompletion support for Elixir mix command
Fix symfony command completion 'permission denied'
In capistrano completion show also tasks without description
Updated gem plugin zsh completion (gem 2.0.3).
Merge pull request #1993 from zvirusz/patch-2

In capistrano completion show also tasks without description
Merge pull request #1994 from kennethgeerts/master

Updated gem plugin zsh completion (gem 2.0.3).
Merge pull request #1992 from jeromemacias/patch-1

Fix symfony command completion 'permission denied'
Merge pull request #1988 from jwarwick/mix

Added autocompletion support for Elixir mix command
Merge master
Merge 'upstream/master'