Bug fixes

This release is started with the combined patch from Issue #3079917. I will try to add other applicable RTBC patches ASAP.

gulp related bug fixes and documentation updates.

This is the latest stable release. Includes PAReview updates for tighter code formatting as well as an update to Readme.txt for composer instructions for installing the jquery.instagramFeed library.

Resolves issues for:

• feeds display overlapping on sidebar: https://www.drupal.org/project/simple_instagram_feed/issues/3119672

• Add the ability to change the SDK version.
• Use the new way the SDK presented to inject the block code.
• Fix code standard issues.

# Fixed: Uploaded slider image not saved as permanent.