* Enable caching on assets and avatars

Fixes #3323

* Only set avatar in user BeforeUpdate when there is no avatar set

* add error checking after stat

* gofmt

* Change cache time for avatars to an hour

* Allow custom public files

* Gofmt code, lots of places not related to this pr

Integrated optional bindata for the templates

* Dropped unused codekit config

* Integrated dynamic and static bindata for public

* Ignore public bindata

* Add a general generate make task

* Integrated flexible public assets into web command

* Updated vendoring, added all missiong govendor deps

* Made the linter happy with the bindata and dynamic code

* Moved public bindata definition to modules directory

* Ignoring the new bindata path now

* Updated to the new public modules import path

* Updated public bindata command and drop the new prefix