Merge pull request #16 from jrhdoty/master

do initial project setup
add pixelated-img-directive.js
add pixelated-img directive to app
add a pixelated-img
Merge pull request #17 from aaromp/master

add pixelated-img
fix merge conflicts in demo app
do some refactoring of option selection logic
rename flasher directive file and folder
add some dev dependencies
refactor and code cleanup
add a gulpfile to start setting up build system
rename demoapp to be more generic
add skeleton structure to gulp file
change name of pixelate directive module