chore(package): update gulp-istanbul to version 0.10.4
chore(package): update gulp-istanbul to version 0.10.4

http://greenkeeper.io/
rangle/the-clusternator,rangle/the-clusternator,rafkhan/the-clusternator,rangle/the-clusternator,bennett000/the-clusternator,bennett000/the-clusternator,rafkhan/the-clusternator,bennett000/the-clusternator