chore(package): update @types/request to version 2.0.7

chore(package): update @types/node to version 8.0.47

fix(package): update file-type to version 7.2.0

chore(package): update uglifyjs-webpack-plugin to version 1.0.1

Update riot to the latest version 🚀

improve performance & use GridFS for files

now w/ opts.detail, returns my_reaction field as 'null' w/ no reaction
(before: field appears w/ some reaction)

Promise.all resolves all Promise, and selializeDriveFile returns Promise.