Attempt to add CircleCI integration for the complete TASTE test suite.

circle.yml

+machine:
+  services:
+    - docker
+
+dependencies:
+  cache_directories:
+    - "~/docker"
+  override:
+    - docker info
+    - if [[ -e ~/docker/image.tar ]]; then docker load --input ~/docker/image.tar; else docker build -t taste . && { mkdir -p ~/docker; docker save taste > ~/docker/image.tar ; } ; fi
+
+test:
+  override:
+      - HOMEB=/root ; XSOCK=/tmp/.X11-unix ; XAUTH=/tmp/.docker.xauth ; touch ${XAUTH} ; xauth nlist :0 | sed -e 's/^..../ffff/' | xauth -f ${XAUTH} nmerge - ; HOME=/root ; export TASTE_IN_DOCKER=1 ; docker run --privileged -e DISPLAY -e HOME -e TASTE_IN_DOCKER -e XAUTHORITY=${XAUTH} -v ${XSOCK}:${XSOCK} -v ${XAUTH}:${XAUTH} -v "$HOME":"$HOMEB"/work -it taste /bin/bash -c 'cd /root/ ; . .bashrc.taste ; cd tool-src ; ./Update-TASTE.sh || exit 1 ; cd testSuites ; ./regression.py || exit 1'