FAB-8509 update go version to 1.9.2

update go version in ci.properties file to make fabric-sdk-go
compatible with 1.9.2 version.

added a license check exception for ci.properties file in
test/scripts/check_license.sh

Change-Id: Ib43f6f92b8dd2454045dc5f6ff422d086f866a81
Signed-off-by: rameshthoomu <rameshbabu.thoomu@gmail.com>

ci.properties

@@ -1 +1 @@
-GO_VER=1.9
+GO_VER=1.9.2

test/scripts/check_license.sh

@@ -9,7 +9,7 @@ function filterExcludedFiles {
   CHECK=`echo "$CHECK" | grep -v .png$ | grep -v .rst$ | grep -v ^.git/ \
   | grep -v .pem$ | grep -v .block$ | grep -v .tx$ | grep -v ^LICENSE$ | grep -v _sk$ \
   | grep -v .key$ | grep -v .crt$ | grep -v \\.gen.go$ | grep -v Gopkg.lock$ \
-  | grep -v .md$ | grep -v ^vendor/ | grep -v ^build/ | grep -v .pb.go$ | sort -u`
+  | grep -v .md$ | grep -v ^vendor/ | grep -v ^build/ | grep -v .pb.go$ | grep -v ci.properties$ | sort -u`
 }
 
 CHECK=$(git diff --name-only --diff-filter=ACMRTUXB HEAD)