Merge pull request #228 from uliska/fix-color-codes

Fix color in 'git branch' command
Merge pull request #227 from uliska/fix-test

Fix lookup of 'upstream' remote
no need to import vcs.menu when we are not using it
no need to bootstrap vcs in main, it is imported for the first time in mainwindow which is early enough
Update de.po: look for 'fuzzy' entries
Update German translation (Preview-mode) WIP