Add docs badge to README
Merge pull request #504 from rrrene/patch-1

Add docs badge to README
Standardize on `shared_examples`.

`shared_examples_for` is going away.
Remove explicit fencing, this is provided automatically now.
update yard
fix up cases where yard doesn't like our private docs
Merge pull request #506 from rspec/remove-fencing

Remove explicit fencing, this is provided automatically now.
Extract diffing code to support.
Merge pull request #441 from phiggins/extract-differ-to-support

Extract differ to support
Fix docs.

[ci skip]
Don't blow up when generating a failure message involving stdout/stderr.
color_enabled is going away, replace with color
Merge pull request #509 from rspec/remove_color_enabled

color_enabled is going away, replace with color
Fix `change` matcher to work properly with `IO` objects.
Don't raise errors in exists matcher

Fail gracefully instead
Merge pull request #508 from rspec/fix-io-error

Don't blow up when generating a failure message involving stdout/stderr.
Merge pull request #511 from danielfone/composable-exists-matcher

Don't raise errors in exists matcher
Add a changelog entry for #511.
Improve wording a bit.
Updated travis build scripts (from rspec-dev)