Fix header detection

• Fix header detection
  Jose Alcalá Correa #11

Inhibit all the warnings

• Add fmemopen source and inhibit size conversion warnings
  #8 Piet Brauer

Other improvements

• Stabilise tests and update dependencies
  #9 Jose Alcalá Correa

Add possibility to disable link detection

• Add possibility to disable link detection
  Ash Furrow #5

It's a living XING

• Forked from https://github.com/NimbusKit/
• Added new grammar
• Performance improvements
• Added tests
• Added travis & coveralls scripts
• Cocoapod support
• New paragraph attributes: top attributes & link font