Resizing direct & private reblog icons to be 18px max in either dimension like the star and the RB icon

Implementing proper menu for MTNTstd

scripts: import_translations: add shellscript that processes some Tusky translations to ours, replaces links, names. Add xq utility from https://github.com/jeffbr13/xq

* Fix tag highlighting in editor

* Add test case for tag highlighting

* enable multiple hashtags in one hashtag tab

* add comment explaining the code in TabAdapter

* delete unused drawables

* add padding to EditText in dialog

Also properly places the preview card after the "collapse for length" button.