* RN-173 Added support for Markdown images
* RN-173 Added proper alt text when image fails to load
* Changed (edited) indicator not add itself as a child of an image
* RN-173 Removed space between an image and the following text
* Made sure MarkdownImage is mounted when setState is called
* Fixed images in links having their location overwritten
* Made images work in links
* Fixed uppercase links not working on Android
* Added vertical margin around images
* RN-173 Added styling for markdown image error text
* RN-173 Added error when image exceeds max dimensions on Android
