Use size instead of count
Delegate common Result methods to Array

Closes upstream #784.
Fix order-dependent flickering test
Only build on MRI 1.9.3 for now

We'll have to get a handle on these weird build failures, some of which
seem to be flickering. But let's take it one step it at a time and focus
on getting it running reliably on at least *one* Ruby version.
Update History
Make :respect_data_method default to true with capybara/rails
Merge pull request #793 from joliss/respect-data-method

Make :respect_data_method default to true with capybara/rails
Use have_content over body.should include, closes #792

The latter has timing issues in Selenium, since
visit/click_link, etc are async even on regular
page reloads.
Use latest xpath
Merge pull request #788 from joliss/travis

Only build on MRI 1.9.3 for now
Merge pull request #785 from adammck/delegate_result_to_array

Delegate common Result methods to Array
Make note of dropping 1.8 support.
Merge pull request #782 from ineverov/size_instead_of_count

Use size instead of count
print warning when including Capybara::DSL globally
Support non string arguments

Most of this work was done in the xpath gem, this
commit really only adds tests.
Allow protocol relative URLs, closes #776
Fix a few typos in synchronize docs
set rspec type to :feature instead
Merge pull request #809 from jnicklas/rspec-type

set rspec type to :feature instead
Ignore disabled fields and buttons, closes #771