Changes since v1.1.0
----

[FAB-9420] Protect Init() function
[FAB-9340] Fix SCC support
[FAB-9606] Convert indents to TAB in golang.stg
[FAB-9339] Add dev-helper support to REPL
[FAB-9327] Support 'build -p' for system chaincode
[FAB-9098] add metadata support to chaintool
[FAB-9357] add CODE_OF_CONDUCT.md

Fulfills FAB-9634 for fabric v1.2 stream

Change-Id: Ibbb0a19ad9811d169e83fd31c1153a3c34922ffb
Signed-off-by: Greg Haskins <gregory.haskins@gmail.com>