fixes golang/protobuf#39 (#112)

* golang/protobuf#39 not sure how this will get closed out but until then only gen protos in the target directory when go is the output language

* fixed arg ordering

Author: brantc-namely

all/entrypoint.sh

@@ -205,7 +205,11 @@ PROTO_INCLUDE="-I /usr/local/include/ \
 
 if [ ! -z $PROTO_DIR ]; then
     PROTO_INCLUDE="$PROTO_INCLUDE -I $PROTO_DIR"
-    PROTO_FILES=(`find ${PROTO_DIR} -name "*.proto"`)
+    FIND_DEPTH=""
+    if [[ $GEN_LANG == "go" ]]; then
+        FIND_DEPTH="-maxdepth 1"
+    fi
+    PROTO_FILES=(`find ${PROTO_DIR} ${FIND_DEPTH} -name "*.proto"`)
 else
     PROTO_INCLUDE="-I . $PROTO_INCLUDE"
     PROTO_FILES=($FILE)