added ability to find an element by any valid locator
version bump for new release
enable css selectors for more elements against Watir

area, audio, canvas, div, h1-6, label, li, p, span, td, video
update docs to reflect CSS selector support for more elements
getting ready to add new widget capabilities
added callback to widgets to allow them to define their own accessors
trying to make 1.8.7 happy
change travis run
making change that will not work in 1.8.7
fixed matcher so it will also work with jruby
Merge pull request #168 from neall/watir-div-css-selectors

enable css selectors for more elements against Watir
added changelog entry for latest pull request
updated rvm settings and change to use 2.0.0 by default
version bump
find elements with no identifier