Bump upstream version to 2.0.4

2.0.3 segfaulted on i386
8 jobs for master in 11 minutes and 54 seconds
latest
Status Job ID Name Coverage
  Build
passed #322642
build

00:03:43

 
  Test
passed #322647
autopkgtest

00:03:34

passed #322648
blhc

00:01:13

passed #322646
lintian

00:01:41

passed #322649
piuparts

00:04:06

passed #322645
reprotest

00:03:27

passed #322644
test-build-all

00:02:29

passed #322643
test-build-any

00:04:02