Updated docker build script

docker/buildcontainer/build.sh

@@ -3,7 +3,7 @@
 docker kill gfbuild
 docker rm gfbuild
 
-docker build --tag "grafana/buildcontainer" .
+docker build --tag "grafana/buildcontainer" docker/buildcontainer
 
 docker run -i -t \
   -v /home/torkel/dev/go:/go \

docker/buildcontainer/build_circle.sh

@@ -3,7 +3,7 @@
 docker kill gfbuild
 docker rm gfbuild
 
-docker build --tag "grafana/buildcontainer" .
+docker build --tag "grafana/buildcontainer" docker/buildcontainer
 
 docker run -i -t \
   -v /home/ubuntu/.go_workspace:/go \