More cleanups.
Removed command `perl-insert-dumper' and defined a `tempo' template instead.
Setup `tempo' and add templates for Makefiles.
Clean up.
Bugfixes in `setup-tempo'.
Added tempo templates for C/C++.
Added `comint-delete-output'.  Bind `comint-copy-previous-output' to "C-c M-w".
Setup `ibuffer' with `ibuffer-vc'.
Added library `multiple-cursors'.
Updated `bashcomp'.