[after !131] Implemented MarkdownTextView. Replaced every MarkDownConverter usage with MarkdownTextView.
Merge after !131 (merged)
MarkdownTextView
is a view that can handle Markdown-enabled text itself. (Parse it to spannable using Markwon and display it)
MarkdownViewInteractor
is used to cache already parsed text per screen. It is useful, for example, inside lists.
Each MarkdownTextView
gets new identifier based on INSTANCE_COUNTER
variable to prevent presenters overlapping within one parent MvpDelegate
.