Modify build instruction for Java shim to
    reflect publishing shim-client.jar to local Maven repo

    FIX FAB-439

    https://jira.hyperledger.org/browse/FAB-439



Change-Id: I2a2e87cad0fb7bc386f107e75389ffceafe3977c
Signed-off-by: Satheesh Kathamuthu <satheesh.ceg@gmail.com>

Fixes the following issues
https://github.com/hyperledger/fabric/issues/2146
https://github.com/hyperledger/fabric/issues/2139



 1. Separate java docker image
 2. Added java package info to proto files
 3. Removed duplicate .proto files checked into java shim project, and copy it as part of build process
 4. Modified java unit test to refer to new path
 5. Updated JAVAChaincode documentation to reflect new changes and added instructions for developing new chaincode
 6. Split java chaincode examples from java shim project

Change-Id: I7cbe92449c30700f17949b03f8fc7c06e0c7efb6
Signed-off-by: Satheesh Kathamuthu <satheesh.ceg@gmail.com>

Copied from commit sha 346f9fb448140e931fed73b46f528de6dacbc0d0
to Gerrit. Verified that all DCO signoff received or IBM
contribution.

Change-Id: I812a2f48382a3cd37e153cd056d0ea94b7f416a0
Signed-off-by: Christopher Ferris <chrisfer@us.ibm.com>