jme3-jbullet: upgrade the jbullet library to v1.0.2 (more compact)

jme3-jbullet/build.gradle

@@ -15,7 +15,7 @@ sourceSets {
 }
 
 dependencies {
-    api 'com.github.stephengold:jbullet:1.0.1'
+    api 'com.github.stephengold:jbullet:1.0.2'
     api 'javax.vecmath:vecmath:1.5.2'
     api project(':jme3-core')
     api project(':jme3-terrain')