fixes another case of #4

.swift-version

Merge pull request #11 from realm-demos/mt/swift4-cocoa3

using hard coded value instead of removed constant

Merge pull request #9 from realm-demos/mt/issue-4

Hides non-standard page elements

Merge pull request #5 from realm-demos/mt/imagecelllayoutreentrancy

Fixes a bug when several image cells are resizing at the same time

Merge pull request #3 from realm-demos/mt/issue-2

[WIP] fixes dynamic image reloading and resizing

adds custom url example

adds store demo