Merge branch 'hotfix/0.8.14'
Merge branch 'develop'
Add Spain regions.
Fix max-width usage for IE8 on images.
Add support for registering content block for list or entry only.
Update cnLog to be compatible with change made in WP_Error in WP 4.0.
Refactor code to use CN_IMAGE_PATH and CN_IMAGE_BASE_URL to support CN_MULTISITE_ENABLED.
Fix issue where uploads PNG files variations would save as JPG instead of PNG.
In multisite the upload subdir s/b sites not blogs.dir
Set the image stream quality if one was not defined in the image query string.
Take into account default permalink setting when creating the image query string.
Escape text in a couple anonymous functions to prevent translations from throwing PHP errors.
Add error message for when $img_path is not set.
Fix a couple path related regressions related to 9f6ac38.
Fix another path related regression related to 9f6ac38.
Fix more path related regressions related to 9f6ac38.
Ensure the image upload dir ends with a slash.
Force new image uploads to have lowercase file extension.

Also provide support for existing filenames with uppercase
file extensions.

fixes gh-382
Increase execusion time and memory limit when processing images.

closes gh-379
Remove use of SKIP_DOTS for PHP < 5.3 compatibility.

closes gh-378