Merge pull request #10 from 28msec/ci

Automatic Deployment of the Tutorial
Update badge
Update branch run task
workaround branch_run limitation
Add git config for gh-pages
Give travis github push write
update gh-page task
Remove unused commands
Only run travis on master

While this bug is not fixed: https://github.com/PhilWaldmann/grunt-branch-run/issues/1, we only run travis for master
Update run branch version
Merge branch 'master' of https://github.com/28msec/xbrl-tutorial
Remove whitelist
Fix deadlinks
Merge pull request #11 from 28msec/snippets

Fix deadlinks
test failure