update go version to 1.5.3 in dockerfile and cleanup

Signed-off-by: Jessica Frazelle <[email protected]>

Author: jessfraz

script/test_Dockerfile

@@ -1,27 +1,27 @@
-FROM golang:1.4
+FROM golang:1.5.3
 
 RUN echo "deb http://ftp.us.debian.org/debian testing main contrib" >> /etc/apt/sources.list
 RUN apt-get update && apt-get install -y \
-	curl \
-	build-essential \
-	libaio-dev \
-	libcap-dev \
-	libprotobuf-dev \
-	libprotobuf-c0-dev \
-	protobuf-c-compiler \
-	protobuf-compiler \
-	python-minimal \
-	iptables \
-	libseccomp2 \
-	libseccomp-dev \
-	--no-install-recommends
+    build-essential \
+    curl \
+    iptables \
+    libaio-dev \
+    libcap-dev \
+    libprotobuf-dev \
+    libprotobuf-c0-dev \
+    libseccomp2 \
+    libseccomp-dev \
+    protobuf-c-compiler \
+    protobuf-compiler \
+    python-minimal \
+    --no-install-recommends
 
 # install criu
 ENV CRIU_VERSION 1.7
 RUN mkdir -p /usr/src/criu \
-	&& curl -sSL https://github.com/xemul/criu/archive/v${CRIU_VERSION}.tar.gz | tar -v -C /usr/src/criu/ -xz --strip-components=1 \
-	&& cd /usr/src/criu \
-	&& make install-criu
+        && curl -sSL https://github.com/xemul/criu/archive/v${CRIU_VERSION}.tar.gz | tar -v -C /usr/src/criu/ -xz --strip-components=1 \
+        && cd /usr/src/criu \
+        && make install-criu
 
 # setup a playground for us to spawn containers in
 RUN mkdir /busybox && \