fix Dockerfile.develop

Dockerfile.develop

@@ -6,7 +6,7 @@ WORKDIR /go/src/github.com/tendermint/abci
 COPY Makefile /go/src/github.com/tendermint/abci/
 
 # see make protoc for details on ldconfig
-RUN make install_protoc && ldconfig
+RUN make get_protoc && ldconfig
 
 # killall is used in tests
 RUN apt-get update && apt-get install -y \
@@ -15,7 +15,9 @@ RUN apt-get update && apt-get install -y \
 
 COPY Gopkg.toml /go/src/github.com/tendermint/abci/
 COPY Gopkg.lock /go/src/github.com/tendermint/abci/
-COPY . /go/src/github.com/tendermint/abci
+RUN make get_tools
 
-RUN make get_vendor_deps
+# see https://github.com/golang/dep/issues/1312
+RUN dep ensure -vendor-only
 
+COPY . /go/src/github.com/tendermint/abci