groundStation: add ground station to CI build

.gitlab-ci.yml

 image: ruby:2.3
 
+before_script:
+  - apt-get update -qq && apt-get install -y -qq libbluetooth-dev cmake
+
 stages:
-- build
-- test
+  - build
+  - test
 
 build_job:
   stage: build

ci-build.sh

@@ -4,4 +4,7 @@ set -e
 
 # Quad Libraries and Boot image
 (cd quad && make deep-clean && make)
-#(cd groundStation && make)
+
+# Ground station
+git submodule update --init --recursive
+(cd groundStation && make vrpn && make)