add NPM for semantic-ui

[BC] 1AZBxsAg3snzWmb8hju8wuT9tM8uhKq4QF
npm backbone.babysitter
[author] Added leaflet-dvf library (v0.2) files.
Add Ember v1.7.0-beta.5.
Add auto-update support for JSON3
Adding the shepherd js library.
Adding the requirejs-plugins set.
add lunr.js v0.5.5
add insightjs v1.0.1
add ng-dialog v0.2.11
bump fs-extra dependency to ~0.11
nanoGALLERY 5.0.2
let travis tell me gem version
use system libs to build nokogiri for CI build
trick to prevent CI build outside
adj .travis before script
prefetch some gem packages for CI build
dont use travis_retry with pre-fetched gem pkgs in CI build
only build new packages.json and rss for "our own" master branch
no need to format packages.json for build, can save 90% size