Copy trunk samples to sanbox to experiment with renames and moves

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@998905 13f79535-47bb-0310-9956-ffa450edef68

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+Calculator Sample Contribution

+==============================

+

+This sample implements a simple calculator using SCA components. 

+

+The README in the <distribution-unpack-dir>/samples directory provides 

+general instructions about building and running samples. ( where

+distribution-unpack-dir is the directory in which you unpacked the tuscany

+binary distribution archive) Take a look there for instructions on how to launch

+this sample contribution. 

+

+Sample Overview

+---------------

+The sample provides a single calculator service with a default SCA (java) 

+binding. The CalculatorClient exercises this interface by calling add, 

+subtract, multiply and divide operations. This results in messages passing to 

+the appropriate components in the composite across the local wires.

+

+You should see the following output from the run target.

+

+run:

+     [java] 3 + 2=5.0

+     [java] 3 - 2=1.0

+     [java] 3 * 2=6.0

+     [java] 3 / 2=1.5