Fix the go generation scripts and docker runner script

Author: Maciej Galkowski

bin/go-petstore-server.sh

@@ -27,6 +27,6 @@ fi
 # if you've executed sbt assembly previously it will use that instead.
 export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -Dlogback.configurationFile=bin/logback.xml"
 
-ags="$@ generate -t modules/swagger-codegen/src/main/resources/go-server -i modules/swagger-codegen/src/test/resources/2_0/petstore.yaml -l go-server -o samples/server/petstore/go-api-server -DpackageName=petstoreserver  --additional-properties hideGenerationTimestamp=true -Dservice"
+ags="$@ generate -t modules/swagger-codegen/target/classes/go-server -i modules/swagger-codegen/src/test/resources/2_0/petstore.yaml -l go-server -o samples/server/petstore/go-api-server -DpackageName=petstoreserver  --additional-properties hideGenerationTimestamp=true -Dservice"
 
 # java $JAVA_OPTS -jar $executable $ags

bin/go-petstore.sh

@@ -26,6 +26,6 @@ fi
 
 # if you've executed sbt assembly previously it will use that instead.
 export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -Dlogback.configurationFile=bin/logback.xml"
-ags="$@ generate -t modules/swagger-codegen/src/main/resources/go -i modules/swagger-codegen/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml -l go -o samples/client/petstore/go/go-petstore -DpackageName=petstore "
+ags="$@ generate -t modules/swagger-codegen/target/classes/go -i modules/swagger-codegen/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml -l go -o samples/client/petstore/go/go-petstore -DpackageName=petstore "
 
 # java $JAVA_OPTS -jar $executable $ags

docker-entrypoint.sh

@@ -8,7 +8,7 @@ JAVA_OPTS=${JAVA_OPTS:-"-Xmx1024M -Dlogback.configurationFile=conf/logback.xml"}
 
 cli="${GEN_DIR}/modules/swagger-codegen-cli"
 codegen="${cli}/target/swagger-codegen-cli.jar"
-cmdsrc="${cli}/src/main/java/io/swagger/codegen/cmd"
+cmdsrc="${cli}/src/main/java/io/swagger/codegen/v3/cli/cmd"
 
 pattern="${1^} implements Runnable"
 if expr "x$1" : 'x[a-z][a-z-]*$' > /dev/null && fgrep -qe "$pattern" "$cmdsrc"/*.java || expr "$1" = 'help' > /dev/null; then