generate .changes file when building source package. Closes GH-37.
generate .changes file when building source package. Closes GH-37.

Note that to upload to a PPA you will still have to sign the .changes
file.

benthomasson/stdeb,astraw/stdeb,astraw/stdeb,pombredanne/stdeb,LeMeteore/stdeb,benthomasson/stdeb,LeMeteore/stdeb,pombredanne/stdeb,LeMeteore/stdeb,sathieu/stdeb,benthomasson/stdeb,astraw/stdeb,pombredanne/stdeb,sathieu/stdeb,sathieu/stdeb