tig: add head option

Closes #25755.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
icoutils 0.31.0

Closes #26513.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
mawk 1.3.4-20131226

Closes #26512.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
isc-dhcp 4.3.0

Closes #23527.
rakudo-star 2014.01

Closes #26515.
datomic 0.9.4532

Closes #26517.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
pyqt: Updated formula with Python 3 support
pyqt: Added --sip-incdir option