Add HAXM docs (not much).
Pep8 treatement to android_web_view.
Make python examples runnable from anywhere (not just from script dir).
Add instructions for installation.
Merge pull request #558 from OniOni/python-exs

Cleanup of some python examples.
Add links to haxm page.
Merge pull request #557 from OniOni/haxm

Add HAXM docs (not much).
Merge pull request #559 from jlipps/master

more robust page load checking for mobile safari
remove short http timeout for selendroid (fix #540)