2.3.0

• Add build process and new version of files
• If data-media is not present, assume (min-width:0px)
• Adjust _applyImage
  • Handle postponed and default loading situation
  • If larger image is loaded, skip loading smaller one (not useful for art direction)
• Remove init method and add additional helpers
• Adjust parsing algorithm
  • Make it accept list of elements as argument
  • Remove events and handle on case-by-case basis