[wga] Shortcode to obtain resources from official GitHub API v3.

NOTE: WPGitHubAPI plugin uses transients to cache the counts for 24 * HOUR_IN_SECONDS.

• [wga] shortcode accepts following parameters
  • u='api_url' where api_url is the part of API after https://api.github.com/ E.g. users/ahmadawais will return my profile data.
  • d='data' where data is the object's data you want to retrieve E.g. followers will return the number of followers for my profile.
  • GitHub Readme Parser with r='y' attribute in the shortcode.
  • Remove h1 with h1=y|n attribute in the shortcode.
  • Convert h1 to h2 with h2=y|n attribute in the shortcode.

• My GitHub Followers Count: [wga u='users/ahmadawais' d='followers']
• For more examples read GitHub API Documentation or visit GitHub API.

• WGA shortcode
• WGA Documentation

You can use GitHub Updater to receive updates for this plugin.

• IMPROVE: Gracefully show the GitHub repo link on API rate limiting.

• IMPROVE: PHP 7 compat — thanks to @tfirdaus for PR #1.
• FIX: PHP CS Issues like weird spacing and tabs.
• NEW: Transients below 172 characters.

• NEW: Should there be h1 with h1=y|n.
• NEW: Should convert h1 to h2 with h2=y|n.

• NEW: Basic PHPUnit tests.
• NEW: GitHub Readme Parser with r='y' attribute in the shortcode.

• WP.org Repo submission.
• NEW: README.txt.

• NEW: Custom transients names with API_URL and Data.
• NEW: Regex Remove / in the beginning or at the end.

• FIX: Custom data related transients.

• First beta version.

Licensed under GNU GPL v2.0. Copyright (C) 2016 Ahmad Awais.