Move configure test files to the top-level and share them between s3 and s4.
r23801: The FSF has moved around a lot. This fixes their Mass Ave address. (This used to be commit 5c9b19271e0e3ad897499707003ce4703ffa4870)
r23800: LGPL is now called GNU Lesser General Public License not GNU Library General Public License (This used to be commit 01e3fe7533b5670236c026ec3c6cc1e25655fbc3)
r23795: more v2->v3 conversion (This used to be commit 84b468b2f8f2dffda89593f816e8bc6a8b6d42ac)
first public release of samba4 code (This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)