[build] work-around printed mvn plugin warnings

from JRuby messing up the pom contents (unable to release)
jruby/jruby-maven-plugins#94

Author: kares

Mavenfile

@@ -105,6 +105,7 @@ default_bc_version = default_bc_version[/BOUNCY_CASTLE_VERSION\s?=\s?'(.*?)'/, 1
 
 properties( 'jruby.plugins.version' => '1.1.6',
             'jruby.versions' => '9.1.17.0',
+            'jruby.switches' => '-W0', # https://github.com/torquebox/jruby-maven-plugins/issues/94
             'bc.versions' => default_bc_version,
             'invoker.test' => '${bc.versions}',
             # allow to skip all tests with -Dmaven.test.skip

pom.xml

@@ -64,6 +64,7 @@ DO NOT MODIFIY - GENERATED CODE
     <invoker.skip>${maven.test.skip}</invoker.skip>
     <invoker.test>${bc.versions}</invoker.test>
     <jruby.plugins.version>1.1.6</jruby.plugins.version>
+    <jruby.switches>-W0</jruby.switches>
     <jruby.version>9.1.17.0</jruby.version>
     <jruby.versions>9.1.17.0</jruby.versions>
     <mavengem.wagon.version>0.2.1</mavengem.wagon.version>