Update v1.13
* Added support for creating posts with gravity forms. All uploads are added as post attachments
* New option to disable file renaming and maintain original file names (see security setting in plugin options)
* Added [get_adv_uploads] shortcode to list all post file attachments in post content
Merge branch 'release/1.13' into develop
Merge branch 'release/1.13'
Merge branch 'develop'