using bradrydzewski/go1.2 image. We need python & pip to push to S3

.drone.yml

@@ -1,10 +1,5 @@
-image: mischief/docker-golang
+image: go1.2
-env:
-  - GOROOT=/usr/local/go
-  - GOPATH=/var/cache/drone
-  - PATH=$GOPATH/bin:$GOPATH/bin:$PATH
 script:
-  - apt-get -y install libsqlite3-dev sqlite3 mercurial bzr 1> /dev/null 2> /dev/null
   - make deps
   - make
   - make test