neuron 2.0: remove all sub modules out of neuron repo
neuron 2.0: flatten directories
neuron 2.0: flatten demos
update README.md; fixes #13
add /test/unit.html to routes
build.json: add build.json
mod-manager: remove support for app; optimize logic about module.exports
fixes #18; fixes #17;
fixes #7; add intro.js and outro.js
fixes #19; remove oop/class out of neuron repo
fixes #20; remove neuron/dom out of neuron repo
fixes #20; remove lib/oop/*
add lib/snippet/common.js; fixes #7
fixes #7; move mod-manager/error-code.json -> core/mod-errcode.json
fixes #20; remove slick/ from neuron repo
fixes #20; remove jquery/ and jquery adapters
manage node main entrance; fixes #19
fixes #7; move logic of type detection -> lang/type.js
fixes #7; manage `NR` namespace; remove method `NR._memoize`; move `NR.mix` -> common.js;
fixes #7