[build] don't build banshee in the bootstrap
[build] don't build banshee in the bootstrap

Banshee can now be built directly from the clone directory easily
with the new environment exporting and the top level bootstrap
script.

The package definition will be used to produce release builds
later on.

Dynalon/banshee-osx,mono-soc-2011/banshee,mono-soc-2011/banshee,allquixotic/banshee-gst-sharp-work,Carbenium/banshee,mono-soc-2011/banshee,Dynalon/banshee-osx,babycaseny/banshee,ixfalia/banshee,arfbtwn/banshee,Carbenium/banshee,directhex/banshee-hacks,Dynalon/banshee-osx,GNOME/banshee,babycaseny/banshee,directhex/banshee-hacks,petejohanson/banshee,Dynalon/banshee-osx,GNOME/banshee,babycaseny/banshee,lamalex/Banshee,ixfalia/banshee,lamalex/Banshee,ixfalia/banshee,ixfalia/banshee,GNOME/banshee,dufoli/banshee,lamalex/Banshee,ixfalia/banshee,allquixotic/banshee-gst-sharp-work,arfbtwn/banshee,petejohanson/banshee,mono-soc-2011/banshee,lamalex/Banshee,babycaseny/banshee,arfbtwn/banshee,dufoli/banshee,directhex/banshee-hacks,allquixotic/banshee-gst-sharp-work,babycaseny/banshee,directhex/banshee-hacks,dufoli/banshee,petejohanson/banshee,Carbenium/banshee,arfbtwn/banshee,stsundermann/banshee,Dynalon/banshee-osx,Dynalon/banshee-osx,GNOME/banshee,ixfalia/banshee,lamalex/Banshee,arfbtwn/banshee,dufoli/banshee,stsundermann/banshee,Carbenium/banshee,GNOME/banshee,GNOME/banshee,GNOME/banshee,stsundermann/banshee,Dynalon/banshee-osx,stsundermann/banshee,directhex/banshee-hacks,allquixotic/banshee-gst-sharp-work,mono-soc-2011/banshee,stsundermann/banshee,arfbtwn/banshee,arfbtwn/banshee,petejohanson/banshee,stsundermann/banshee,dufoli/banshee,petejohanson/banshee,petejohanson/banshee,allquixotic/banshee-gst-sharp-work,allquixotic/banshee-gst-sharp-work,ixfalia/banshee,babycaseny/banshee,mono-soc-2011/banshee,lamalex/Banshee,Carbenium/banshee,babycaseny/banshee,GNOME/banshee,dufoli/banshee,Dynalon/banshee-osx,dufoli/banshee,dufoli/banshee,stsundermann/banshee,babycaseny/banshee,mono-soc-2011/banshee,directhex/banshee-hacks,arfbtwn/banshee,Carbenium/banshee,ixfalia/banshee,stsundermann/banshee