Check pyenv-virtualenv can eval before use it.
Signed-off-by: Superbil <superbil@gmail.com>

Tweak pyenv plugin

Gradle Plugin: Update Gradle Commands

diagnostics: fix for reserved-word changes in zsh 5.1

Add option '--port' to 'rails server' alias.

Add an alias for upstream

add alias to sort by version

autoenv: actually source autoenv once located

Fixes bug introduced in #4440

Added --now systemd aliases

autoenv: support homebrew-installed autoenv

Ask for confirmation before uninstall

Cross-platform clipboard clipcopy() and clippaste()

Encode64 Plugin - Fix wrong `echo` usage

Fix ohmyz.sh link

Reference:
https://github.com/zsh-users/zsh/blob/zsh-5.1.1/NEWS#L20-L32

Change http://ohmyz.sh link to use proper markdown syntax

Prompt the user before removing oh-my-zsh from the system

Removing legacy rails-specific aliases from the Textmate plugin. This is probably best handled as a custom plugin.

git-extras: fix for compatibility with zsh _git

Fix 'ack-grep' bug for non-ubuntu users

Redirect STDERR along with STDOUT when looking for ack-grep

Add 'rake middleware' alias.

Remove Atom plugin

Add Git Hubflow aliases

Add 3 more nmap aliases to nmap plugin

The executable command on Mac OSX is 'ack' rather than 'ack-grep'.

gulp plugin: missing opening double quote

Update Simulator's Path to XCode 7.x

Add alias for npm global install