Removed stuff that doesn't work in OT 2.0 and isn't required for 1.8
Merge branch 'master' of https://github.com/dita4publishers/org.dita4publishers.html5

# By Bertrand Lefort
# Via Bertrand Lefort
* 'master' of https://github.com/dita4publishers/org.dita4publishers.html5: (21 commits)
  let d4p object know if the page is the root or not
  Disable close button
  Fix css issues
  update
  cleanup
  add navigation location info
  add navigation location info
  add strings for social media
  add highlight jQuery plugin
  fix chunk content
  make index entry in the toc optional
  override mode='child.topic'
  add d4p.mapIsChunked method
  update
  add information of map @chunked to the d4p javascript object
  fix navigation for chunked map rendering
  wrap parent topics into articles
  start work on processing chunked map
  replace TouchSwipe by hammer Lib
  add info for graphicmap, turn off debugging
  ...

Resolved non-interfering conflicts in commonHtmlExtensionSupport.xsl