[moz/cfg] Move m-ff-dbg-base to inc-ff-dbg-base, split out inc-distcc and inc-clang
[moz/cfg] Re-enable crash reporter in dbg builds
[moz/cfg] Rename m-ff-opt-base to inc-ff-opt
[moz/cfg] Use inc-distcc in more configs
[moz/cfg] ff-dbg32 should use clang/distcc
[moz/cfg] inc-ff-dbg-base -> inc-ff-dbg
[distcc.sh] Remove localhost by default, with note on why