Exit with non-zero with exception. Fix dnsjava lib.

It is unclear how we got the version of dnsjava that was checked in.
The same version build from the jdnssec-dnsjava repo was different.
This fixes the "missing CAA" support issue.

ChangeLog

@@ -1,3 +1,11 @@
+2019-02-26  David Blacka  <davidb@verisign.com>
+
+        * Released version 0.15
+        * Ensure when a command line tool throws an exception it exits
+        with a non-zero exit code.
+        * Update local dnsjava jar to match actual build for
+        jdnssec-dnsjava.
+
 2018-11-16  David Blacka  <davidb@verisign.com>
 
         * Released version 0.14

VERSION

@@ -1 +1 @@
-version=0.14
+version=0.15

build.gradle

@@ -10,7 +10,7 @@ apply plugin: 'idea'
 
 jar {
     baseName = 'jdnssec-tools'
-    version =  '0.14'
+    version =  '0.15'
 }
 
 repositories {

src/main/java/com/verisignlabs/dnssec/cl/CLBase.java

@@ -338,6 +338,7 @@ public abstract class CLBase
     catch (Exception e)
     {
       e.printStackTrace();
+      System.exit(1);
     }
   }
 }