Quran API v3.0.1

Focused on Tafsir for frontend.

Quran API v3.0.0

• Upgraded to rails 5.0.1, ruby 2.3.3
• Droped CPK dependency
• Dropped Jbuilder in favor of AMS based rendering
• Rewrite searching using elasticsearch 5.1
• Added word audio, images, and support for translation in multiple languages
• Improved primary keys datatype, index, association and many performance optimization

Quran API v2.2.0

• No more tafsir in search
• Media returned
• New segments for all audio reciters

Quran API v2.1.0

• don't return extraneous font information during Arabic search
• use mp3s only and forget about oggs
• various fixes and improvements