Prepare for 5.3.0 release

Author: cowtowncoder

release-notes/VERSION

@@ -8,7 +8,7 @@ Project: woodstox
 
 #78: Shade MSV dependency
 
-5.3.0 (not yet released)
+5.3.0 (15-Jul-2019)
 
 #58: Reading comment comments after Root Element closed sometimes throws `NullPointerException`
 #61: Add support for `XMLConstants.FEATURE_SECURE_PROCESSING` via SAX/Stax factories