* Show the difference between edited statuses
Diff each status against the previous version, comparing the different
HTML as XML to produce a structured diff.
Mark new content with `<ins>`, deleted content with `<del>`.
Convert these to styled spans in `ViewEditsAdapter`.
* Update diffx to 1.1.1
Fixes issue with diffs splitting on accented characters
* Style edited strings with Android spans
Don't use HTML spans and try and format them, create real Android spans.
Do this with a custom tag handler that can add custom spans that set the
text paint appropriately.
* Lint
* Move colors in to theme_colors.xml
* Draw a roundrect for the backoround, add start/end padding
Make the background slightlysofter by drawing it as a roundrect.
Make the spans easier to understand by padding the start/end of each one with
the width of a " " character. This is visual only, the underlying text is not
changed.
* Catch exceptions when parsing XML
* Move sorting in to Dispatchers.Default coroutine
* Scope the loader type
* Remove alpha
Konrad Pozniak
Nik Clayton