Update to latest per-directory-history

See [https://github.com/jimhester/per-directory-history]
Update to latest per-directory-history
Add reload and status alises to postgres
Updates spectrum.zsh
add brew-cask plugin
`fc -l 1` instead of `history` in zsh_stats #2501

$HIST_STAMP breaks zsh_stats. see #2501
Makes history-substring-search use term specific up and down buttons. Fixes #2089.
Adds command line aliases useful for dealing with JSON
adding support for node
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Add new brew cask commands
Merge pull request #1 from KevinBongart/brew-cask

Add new brew cask commands
Merge remote-tracking branch 'upstream/master'
suggest setting $LANG to fix #1286 and fix #1823
mention $ZSH_CUSTOM as suggested in #2295
$ZSH is the OMZ installation folder, not configuration
Merge remote-tracking branch 'upstream/master'
Merge pull request #2645 from ncanceill/template-zshrc

Improve template zshrc
Merge pull request #2390 from LFDM/updating_spectrum

Updates and refactors spectrum.zsh