* break auth panel render into submethods
* move var definition
* break renderUnathorized into submethods
* hide login providers behind dropdown if they are exceed length of 3
* amend dropdown to behave nicely being placed in another dropdown
* add style to providers enclosed in dropdown
* add provider reducer and actions
* add provider save/restore to app flow
* place last login provider first in providers list
* infer StoreState from combineReducers return type
* move collapsed threads retoration to action
* fix: provider lost in other
* add dynamic threshold depending on window width
* fix & add tests
* #371 add image icon for toolbar
* #371 add file upload handler
* #371 upload image from clipboard
* #371 change title and decrease size for upload button
* #371 allow upload few files
* #371 prevent paste text after file was uploaded in firefox
* add ability to hide user via localstorage
* remove closures to avoid reconcilation
* add actionBinder utilities
* add user hide/show feature
* remove unused type
* fix css for settings user id
* remove pointless confirmation for hide/show user in settings
* add redux-dev-tools support