0.5.4: Bounce™

Breaking

• Remove Location.init(file:offset:) in favor of the more explicit
  Location.init(file:byteOffset:) & Location.init(file:characterOffset:).
  JP Simard

Enhancements

• Add checkstyle reporter to generate XML reports in the Checkstyle 4.3
  format.
  JP Simard
  #277
• Support command comment modifiers (previous, this & next) to limit the
  command's scope to a single line.
  JP Simard
  #222
• Add nested .swiftlint.yml configuration support.
  Scott Hoyt
  #299

Bug Fixes

• Fix multibyte handling in many rules.
  JP Simard
  #279
• Fix an NSRangeException crash.
  Norio Nomura
  #294
• The valid_docs rule now handles multibyte characters.
  Norio Nomura
  #295