v4.5.15.5 release

v4.5.15.5 had two bug fixes and one improvement.

Significant improvement

• Improved the performance of the method ViewMap#getViewClasses. This improvement will reduce the time to render assets on the front end.

Significant defects addressed

• Corrected an issue causing NullPointerException errors when ingesting rich text from an external source, such as a Google Doc.
• Corrected an issue preventing the update of a preview when placing an image in The Shelf onto the content edit form.