Add video to readme
add hololight screenshot
Change image in video link
Update height of image for video
Add travis yml file
Add travis yml file
Add gradle build file
Update travis yml to use gradle
Remove travis build file from parent directory
Add travis file with gradle script
Update yml file to remove errors
update gradle script
update git ignore so that we ignore gradle build directories
Update gradle build files to build Sample and library projects with correct dependancies
Update gradle task
Update build tools version
Add clean to yml file
Update build tools version
Update build tools version
Try different version of build tools