Use the npm hostname from the config file in links

The bundle.js file is added in the includereplace Grunt task
Merge branch 'master' into fix-hardcoded-link-in-js-code
Replace tokens in js files before browserify

Doing it afterwards did some weird stuff with the templates
(browserify embeds them in the JS bundled file)
Fix github API url
Get npm website from config file in feed.js file

Fixes https://github.com/rafeca/david-www/commit/43e1d4e9ea0cff7ba7522b81d6f0a7bbaad610cc#feed-js-P5
Put JS variables inside HTML files

To simplify the build process by not having a tmp folder
Merge pull request #114 from rafeca/fix-hardcoded-link-in-js-code

Use the npm hostname from the config file in links