Bump upstream version to 2.0.4

2.0.3 segfaulted on i386
8 jobs for master in 9 minutes and 55 seconds (queued for 29 seconds)
latest
Status Job ID Name Coverage
  Build
passed #277310
build:testing

00:03:44

passed #277311
build:unstable

00:03:42

 
  Test
passed #277314
autopkgtest:testing

00:02:57

passed #277315
autopkgtest:unstable

00:03:26

passed #277316
blhc:testing

00:01:43

passed #277317
blhc:unstable

00:02:24

passed #277312
lintian:testing

00:02:14

passed #277313
lintian:unstable

00:02:17