[#28,tools/create][s]: switch to using internal code for dp creator rather than jsonpdataproxy.
[refactor][s]: move main app functionality into routes/index.js from app.js.
[#42,tools][m]: tool function to load and normalize datapackage.json files.
[#42,tools][m]: first pass at a generic data package viewer using new tools library functions (previous commit).
[refactor][s]: get rid of dp/ in in built tools urls.
Merge branch 'master' of github.com:okfn/data.okfn.org