Bump upstream version to 2.0.4

2.0.3 segfaulted on i386
7 jobs for master in 8 minutes and 7 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #363136
build

00:03:49

 
  Test
passed #363140
autopkgtest

00:03:48

passed #363141
blhc

00:01:14

passed #363139
lintian

00:01:29

passed #363142
piuparts

00:04:16

passed #363138
test-build-all

00:02:07

passed #363137
test-build-any

00:03:34