Merge branch 'feature/ci' into 'master'

Adding .gitlab-ci.yml for commits to master. ES-99

See merge request !4

.gitlab-ci.yml

+#Execute repo sync and run vesta-300-developer build
+stages:
+  - setup
+  - build
+  - shutdown
+
+setup:
+  stage: setup
+  only: 
+    - master
+  script:
+  - docker start vesta-builds
+
+build:
+  stage: build
+  only: 
+    - master
+  script:
+  - docker exec -i vesta-builds bash < build.sh
+
+shutdown:
+  stage: shutdown
+  only: 
+    - master
+  script:
+  - docker stop vesta-builds

build.sh

+su chewbacca
+export LC_ALL=en_US.UTF-8
+export LANG=en_US.UTF-8
+export LANGUAGE=en_US.UTF-8
+cd
+cd vesta-gateway-bsp-master/
+/home/chewbacca/bin/repo sync
+sed -i '0,/EULA_ACCEPTED/s/EULA_ACCEPTED=/EULA_ACCEPTED=1/' setup-environment
+MACHINE=vesta-300 DISTRO=poky source setup-environment build 
+sed -i '/MACHINE/c\MACHINE ??= "vesta-300"' conf/local.conf
+bitbake vesta-image-developer
+
+if [ $? -ne 0 ]; then 
+    echo vesta-300-developer build FAILED
+    exit 1
+fi
\ No newline at end of file