add dev dependencies for gulp build pipe with livereload dev server
add gulpfile with simple (just copy for now) build process and dev livereload server
add dist folder to ignore
add node_modules folder to ignore
implement a minimal darkbox directive and add some html template stuff
add basic styling for html template elements
extend sample page to use darkbox directive
remove unused and missing import
fix dev target and remove jshinting everything
add watch call for js files to hint them all again
write complete positioning logic in plain javascript
extend sample with placeholder image and add controller to set image src for directive