[I18N] Update Brazilian language translations

[FIX] Mention autocomplete stops working

[CHORE] Update README.md

[FIX] User details

[I18N] Added german translations

[I18N] Update  RU strings.xml

- Removes ChatDetailsActivity - using fragment instead;
- more refactor.

[I18N] Update strings

I really need to slow down and read things twice -_-

Fixed typo -_-

Hope this makes morer sense in the way the sentences are built

[I18N] Add proper translation to italian strings for password update

Added multiple german translations

[CHORE] Update readme

 - Fix for #3408 bug (Fabric);
 - Changing from Activity to fragment;
 - Logs user details view;
 - Removes lots of needless code;
 - Follows desing for widgets;
 - UI still needs some tweaks.

To remove the use of latest AS preview for Jetpack as Jetpack is now in stable.

Translation for strings related to password update

Translated a newly added string and fixed some string positions