introduce revised views, port over changes from multiple_views branch
web: update dependencies
web++
format code
web: fixes
web: virtual scrolling
web: various fixes, add clear button
web: add virtualscroll mixin
event log: virtual scrolling
web: various improvements
always use the app dispatcher
generalize store
web: add event store, fix all those bugs
web: take viewport resize into account
web: implement settings store, modularize store
web: add file menu stub
web: add filter grammar
Merge pull request #414 from mitmproxy/flowviews2

Flowviews2