ANNOTATIONJAVA-11: Update Slim Spring sample to Annotation v1.3.0
ANNOTATIONJAVA-20: Update Groupdocs.Annotation Slim Spring sample according to front-end updates in Annotation library
ANNOTATIONJAVA-23: Refactor and update dependencies in Slim Spring sample v1.3.0
ANNOTATIONJAVA-23: Refactor and update dependencies in Slim Spring sample v1.3.0
Removed libraries
Added jstl for tomcat
ANNOTATIONJAVA-37: Update Spring samples to use file upload functional