Obey PACKAGE_VERSION environment variable in version-info
Obey PACKAGE_VERSION environment variable in version-info

make PACKAGE_VERSION=foo now sets the version of fluidity to foo
correctly.  This overrides both the configure-time FLUIDITY_VERSION
and anything bzr might try and tell us.

jrper/fluidity,jjo31/ATHAM-Fluidity,rjferrier/fluidity,rjferrier/fluidity,iakovos-panourgias/fluidity,jrper/fluidity,jrper/fluidity,jrper/fluidity,jrper/fluidity,rjferrier/fluidity,iakovos-panourgias/fluidity,rjferrier/fluidity,jjo31/ATHAM-Fluidity,jjo31/ATHAM-Fluidity,jjo31/ATHAM-Fluidity,jjo31/ATHAM-Fluidity,rjferrier/fluidity,iakovos-panourgias/fluidity,iakovos-panourgias/fluidity,iakovos-panourgias/fluidity