move transifex config to root of project, run `tx pull -a` from root

I've been standardizing on putting the transifex setup in the root of the
project so you always run the 'tx' commands in the same spot on all projects
fix TypographyEllipsis lint warning: Android wants … not ...

You can run this again by doing:

  ./fix-ellipsis
  tx push --source
  tx push --translations
sync translation files with transifex: `tx pull -a`
fix strings.xml syntax error: "Apostrophe not preceded by \"