0.11.0

• Plugins support (@Saulis).
  Check out documentation
  and some plugin examples:
  • gemini-sauce
  • gemini-express
• Add flick action for touch devices (@scf2k).
• Add sessionMode property which allows to choose when new
  WebDriver session is created (@SevInf).
• Automatically kill browser session on SIGHUP, SIGINT and
  SIGTERM (@j0tunn).
• Allow to switch image background in HTML reoport (@unlok).
• url.resolve is not used anymore for computing absolute
  URLs from rootUrl and suite URL. It is now just joined
  with a single / in between (@j0tunn).
• Update png-image so it can be built with gcc 4.6 (@j0tunn).
• Correctly expose __gemini variable in client scripts (@vlkosinov).
• Grep pattern now checked when suites load, not when they are
  executed (@hatroman).
• HTML report refactoring (@hatroman).