Quote Happy

Previously there were an extra set of quotes around the
$CALCULATED_MEMORY option added by the JRE.  This set of quotes caused
problems for some containers.  These quotes have been removed.

[resolves #186]

Author: nebhale

lib/java_buildpack/jre/open_jdk_like_memory_calculator.rb

@@ -50,7 +50,7 @@ def memory_calculation_command
 
       # (see JavaBuildpack::Component::BaseComponent#release)
       def release
-        @droplet.java_opts.add_preformatted_options '"$CALCULATED_MEMORY"'
+        @droplet.java_opts.add_preformatted_options '$CALCULATED_MEMORY'
       end
 
       protected

spec/java_buildpack/jre/open_jdk_like_memory_calculator_spec.rb

@@ -96,7 +96,7 @@
   it 'adds $CALCULATED_MEMORY to the JAVA_OPTS' do
     component.release
 
-    expect(java_opts).to include('"$CALCULATED_MEMORY"')
+    expect(java_opts).to include('$CALCULATED_MEMORY')
   end
 
 end