Split into several jobs

Run build, lint and unit-test steps in a container, using a pre-built
image to save rebuilding at CircleCI

Move a couple of scripts up to config.yml for clarity

bin/circle-dependencies-post

@@ -1,13 +0,0 @@
-#!/bin/bash
-
-set -e
-
-cd "$SRCDIR"
-git submodule update --init
-cd "$SRCDIR/build"
-../tools/rebuild-image weaveworks/weavebuild . Dockerfile build.sh
-touch "$SRCDIR/.build.uptodate"
-sudo chown -R ubuntu /usr/local/go
-cd "$SRCDIR"
-make testrunner
-make COVERAGE=true RM= exes all

bin/circle-deploy-master

@@ -6,4 +6,4 @@ docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
 cd $SRCDIR
 make clean-bin
 # CircleCI doesn't let us install the qemu module to do ARM docker builds
-make publish ALL_ARCHITECTURES=amd64 UPDATE_LATEST=latest-only
+make publish ALL_ARCHITECTURES=amd64 UPDATE_LATEST=latest-only SUDO= BUILD_IN_CONTAINER=false

bin/circle-test-unit

@@ -1,7 +0,0 @@
-#!/bin/bash
-
-set -e
-
-cd $SRCDIR
-make DEBUG=1 lint
-COVERDIR=test/coverage make RM= tests