first 10 % of #2124
- added initial version of JSON API tests
- renamed error.errorCode to error.code
- renamed tags.all to tags.browse for consistency
closes#2171
- added authentication middleware
- removed authentication from routes
- moved authentication before CSRF validation
- moved caching rules before authentication
- changed/added test
closes#1854
- added blueimp file upload to debug.js
- changed POST /ghost/api/v0.1/db to be used with AJAX
- cache invalidation header should now work for import
- moved busboy middleware invocation to routes/api and routes/admin
- moved api.db.import to api.db.importContent (I hated the [] notation)
- moved api.db.export to api.db.exportContent (see above)
closes#1470
issue #1405
- added cache control middleware
- added defaults for all routes, assets, etc
- updated asset helper to add a query string with a timestamp hash to all assets
- added unit tests for asset and ghostScriptTags helpers
- added cache-control checks to route tests
