Merge tag '2.9.2' into develop

re-tag 2.9.2
add missing mo file
Removed underscores from wp-cron events hooks, as per the codex
Merge pull request #162 from nddery/feature/fix-cron

Removed underscores from wp-cron events hooks, as per the codex

props nddery
Compress images

Compress images using
[ImageOptim](https://github.com/pornel/ImageOptim) version 1.4.3
Merge pull request #165 from pathawks/develop

Compress images - thanks @pathawks
minimize whitespace and preserving newlines in {content}

  - Fixes #169
work around Walker change in WP 3.8
work around mysql bug
merge
Merge commit '8cf5219' into develop
update READMEs
Merge branch 'release/2.9.3'