BUILD: Add Travis CI

.travis.yml

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+dist: trusty
+
+sudo: false
+
+git:
+  submodules: false
+
+cache:
+  directories:
+  - $HOME/opt
+  - $/solo-build/sources
+
+before_install:
+  - sudo ln -sf /$TRAVIS_BUILD_DIR /vagrant
+
+install:
+  - time /$TRAVIS_BUILD_DIR/install-vagrant-deps.sh 1>/dev/null
+
+script:
+  - cd /$TRAVIS_BUILD_DIR/solo-builder && ./source_sync.sh
+  - cd /$TRAVIS_BUILD_DIR/artoo && tup

solo-builder/builder-ci.sh

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+#!/bin/bash
+
+## Run source_sync.sh script to pull in build sources
+/vagrant/solo-builder/source_sync.sh
+if [ ! $? -eq 0 ]; then
+    exit 1
+fi
+
+## Switch to build directory
+cd /solo-build
+
+
+## Export machine twice since it's a clean build
+export MACHINE=imx6solo-3dr-1080p
+EULA=1 source ./setup-environment build
+export_return=$?
+if [  $export_return -eq 0 ]; then
+    echo "Build environment ready"
+elif [  $export_return -eq 2 ]; then
+    # Automatic restart as required
+    echo "Restarting setup environment"
+    export MACHINE=imx6solo-3dr-1080p
+    EULA=1 source ./setup-environment build
+    if [ ! $? -eq 0 ]; then
+        echo "Machine export error."
+        exit 1
+    fi
+else
+    echo "Machine export error."
+    exit 1
+fi
+
+## Build Solo specific recipes.  Dump most of the running output so the travis log doesn't explode
+MACHINE=imx6solo-3dr-1080p bitbake sololink shotmanager sololink-python pymavlink mavproxy cubeBlack-solo gimbal-firmware  2>&1 |  grep -v 'pid'
+if [ ! $? -eq 0 ]; then
+    exit 1
+fi
+
+MACHINE=imx6solo-3dr-artoo bitbake sololink sololink-python pymavlink mavproxy artoo-firmware stm32loader  2>&1 |  grep -v 'pid'
+if [ ! $? -eq 0 ]
+then
+    exit 1
+fi
+
+## Build Artoo STM32 FW
+cd /vagrant/artoo
+tup
+if [ ! $? -eq 0 ]; then
+    exit 1
+fi
+
+