[Fix #689] Use GPG_AGENT_INFO instead of GPG_AGENT_PID

GPG_AGENT_PID may not be defined. Also, source gpg-agent.env before
checking the PID.
[Fix #648] Do not instruct users to call editor-info
[Fix #626] Escape '%' in path
Display full command line on suggestion for the kill command

For the zsh suggestion for the 'kill' command, show full command line
(command: usually with arguments) instead of only the executable name (comm).
[Fix #635] Use $BROWSER to open node documentation
[Fix #594] Remove quotes surrounding associative array key
[Fix #652] Execute abs with sudo
[Fix #563] Control+Arrow keys are not in the terminfo database
Convert tabs to spaces
Only one newline at end of file
[Fix #595] Simplify the handling of the Terminal.app proxy icon
[Fix #669] Do not use lazy virtualenvwrapper

Lazy virtualenvwrapper completion crashes Zsh.

Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
Update OPAM setup

Recent OPAM versions generate more elaborate setup code.
Add homebrew-cask aliases to homebrew module

Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
Only print fortunes in terminals
Ignore case in filenames

Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
Try `lesspipe` in addition to `lesspipe.sh` for LESSOPEN

Debian based systems have `lesspipe`, without '.sh' suffix.
Since `$commands` is an associative array, we do index search and set
the input preprocessor on first match.
Enable 'acls', 'xattrs' support in rsync whenever available

rsync has support for these available in most cases and isn't
specific to Mac OS X any more.

Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
Load Homebrew installed NVM
Fix typo in Perl module readme