Add 2014.7.0 to toctree
Fix wording in 2014.1.1 release notes

As this was the first bugfix release for 2014.1.0, it should not be
described as "another" bugfix release.
Add new release notes file for 2014.7.1
Merge pull request #18435 from terminalmage/release_notes

Add 2014.7.0 release to release notes toctree