add Umpqua and Wells Fargo bank icons with ABA routing #s

Summary: Add these icons to main and US list_bank.txt files.

Test Plan:
Run Skrooge, click Accounts, in panel click bank icon popup,
press 'u' or 'w' to scroll nearer to these icons, select the new green or
red new icon, confirm bank name and number appear.

Reviewers: smankowski

Reviewed By: smankowski

Differential Revision: https://phabricator.kde.org/D29731