version update
ANNOTATIONJAVA-283: Update Annotation samples according to changes in front-end
ANNOTATIONJAVA-315: Update Annotation samples according to changes in Viewer v2.4.0
ANNOTATIONJAVA-316: Update Aspose libraries for annotation slim build and spring slim sample build
ANNOTATIONJAVA-317: Update use of the deprecated viewer methods in annotation and samples to actual methods
ANNOTATIONJAVA-318: Add functional to work with user avatar - set and get it
sample code to add avatar
Annotation toolbar isn't shown when application path set to null
ANNOTATIONJAVA-365: Java.Annotation - Error occurs in browser console if set up "useJavaScriptDocumentDescription=false"
ANNOTATIONJAVA-368: Update GroupDocs.Viewer and Aspose libraries in GroupDocs.Annotation for Java
ANNOTATIONJAVA-371: Java.Annotation - Annotations aren't displayed in the print preview popup
Merge branch 'master' into v1.6.0
version update
ANNOTATIONJAVA-383: Update functional for work with custom database in all Annotation samples and test samples core functional
Merge branch 'v1.6.0' of https://github.com/groupdocs/groupdocs-slim-annotation-java-spring-sample into v1.6.0
Small fixes
added sql driver