Version bump to 5.9.14.

Merge pull request #986 from htacg/recurse_squash

Recurse squash

Merge pull request #984 from htacg/issue_946

Fixes #946

Merging gitignore; no version bump.

Issue #600 - Update README/verhist.log

Update verhist.log to 5.4.0 release

Issue #394 - Add CHANGELOG in RELEASE.html

Remove RC1, and declare release