[#52] Add zstyles to configure syntax-highlighting
[Fix #52] Add zstyles to configure history-substring-search
[Fix #419] Rewrite module gpg-agent; rename it to gpg
[Fix #426] Correct syntax error in variable assignment
Merge remote-tracking branch 'upstream/master'

Conflicts:
	modules/syntax-highlighting/init.zsh
	runcoms/zpreztorc