Update upstream source from tag 'upstream/2.0'
Update to upstream version '2.0'
with Debian dir
b811dd3a7285a1f76479a940241b3d82528065e1
Pass on CPPFLAGS and LDFLAGS as well at build time. Add and refreshed in d/patches/do-not-override-CFLAGS
bring back master into patch unapplied state
I screwed that up in commit
e2453baae44379bfd97a3b0e02807e76fed4112b