Carthage support

[IgorBulyga]

Added Carthage support.

Also, make some refactoring in the project hierarchy. Move project file in the root folder to produce .framework for Carthage and make Example inner target. Replace Cocoapods with Carthage for Example.

[icanzilb]

Thanks @IgorBulyga, I'll have a look at the PR. I have to check out the PR locally but if you removed the development setup from the example app I'll have to reject it.

[IgorBulyga]

@icanzilb I have merged the latest commit, where AppleTV support was added, into my PR. And provide AppleTV Framework for Carthage.

For check it out for correct work you have to run

carthage update --no-use-binaries --platform iOS,tvOS

And then just open RxAnimated.xcodeproj and run examples. Everything should be fine. If you will have any questions, I'm ready to answer them.

[iandundas]

This worked great for me in terms of Carthage support, if someone can test it with Coocapods I'd say it's mergeable.

[npjk]

Hello,

Any update on this merge ? 🙂

[Budyn]

Hey guys! Would be great to merge this PR :)