Fixes #325 - Incorrect translation for ERROR_RECORD_FOUND

Added quotes in the translations files for the ERROR_RECORD_FOUND.
[1.12.6] Release readiness

- Updated README with release version, date, and notes
- Updated version constant to 1.12.6
Merge branch 'releases/1.12.6'

Release readiness
Version bump: 1.12.7dev
Merge branch 'release/bump'

1.12.7dev
Merge pull request #329 from andersonls/master

Fixes #325 - Incorrect translation for ERROR_RECORD_FOUND
Update DocBlocks for Zend_Application_Bootstrap - Closes #327
Merge branch 'master' of https://github.com/zendframework/zf1