s/pygments/highlighter/ to be rid of Deprecation warnings in jekyll 2.3.0 -- Jekyll is a blog-aware, static site generator in Ruby

Usage:

  jekyll <subcommand> [options]

Options:
        -s, --source [DIR]  Source directory (defaults to ./)
        -d, --destination [DIR]  Destination directory (defaults to ./_site)
            --safe         Safe mode (defaults to false)
        -p, --plugins PLUGINS_DIR1[,PLUGINS_DIR2[,...]]  Plugins directory (defaults to ./_plugins)
            --layouts DIR  Layouts directory (defaults to ./_layouts)
        -h, --help         Show this message
        -v, --version      Print the name and version
        -t, --trace        Show the full backtrace when an error occurs

Subcommands:
  build                 Build your site
  docs                  Launch local server with docs for Jekyll v2.3.0
  doctor, hyde          Search site and print specific deprecation warnings
  help                  Show the help message, optionally for a given subcommand.
  new                   Creates a new Jekyll site scaffold in PATH
  serve, server         Serve your site locally
Also fix flight-school layout
Merge pull request #985 from srawlins/fix-pygments-reference

s/pygments/highlighter/ to be rid of Deprecation warnings in jekyll