Version 3.10

• Version 3.10
• Keeping the lights on with support for Aurora and Nightly builds of firefox.
• Bump up minimum version to current ESR release of firefox (version 38).
• First release by @gkatsev
• Keep default Firefox mapping of , , , ,
  , , and .
  This is done to (a) allow default Firefox smooth scrolling and (b) to
  easily allow web pages to override these keys as they are often done
  for / for navigating image galleries
• Add ';#', an extended hint mode for yanking the anchor URL of an element
  (the URL of the page with the fragment set to the element's 'id' or
  'name' attribute)
• Firefox compatibility fixes