Slather 2.0.0

• Correct html rendering when using profdata format
  cutz
  #124
• Making HTML directory self contained
  Colin Cornaby
  #137
• Add binary_basename configuration option
  Boris Bügling
  #128
• Add support to profdata file format
  Simone Civetta
  Olivier Halligon
  Matt Delves
  Pierre-Marc Airoldi
  #92