Adds blur and sharpen to Image Editor
JavaImageEditor - adds support for multiple blurs
Fixes -Plibrary causing double compile because of clirr:check.
Merge branch 'master' into feature/image-editor-blur-sharpen

Conflicts:
	util/src/main/java/com/psddev/dari/util/JavaImageEditor.java
Changes the visibility of JavaImageEditor#getGaussianBlurFilter to be private.