Run specs against PhantomJS too. Bump WatirSpec.
Run PhantomJS with ALWAYS_LOCATE and PREFER_CSS too.
Bump watirspec.
enable ruby 2.0 on travis
Rename :ie guard to :internet_explorer.
Add support for guard with the browser version.
Use the latest PhantomJS precompiled binary.
Bump watirspec.
Merge branch 'master' of github.com:watir/watir-webdriver
Do not run against 1.9.2 and ruby-head on Travis.
Loosen the fuubar dependency
Revert "Use the latest PhantomJS precompiled binary."
Let's see if it helps.

This reverts commit 8fca3b80c44997a383bc45f22ed18e7ea866679f.
Merge remote-tracking branch 'watir/master'

Conflicts:
	.travis.yml
	support/travis.sh