Remove setting an empty default value

Does not freaking make sense..

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
Make make check/regress work more automagically awesomely

Port over the usr.bin/{diff,grep} tests from NetBSD

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
Integrate tools/regression/usr.sbin/{newsyslog,sa} into the build

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
Add entries for the newly ported/integrated tests

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
Make check/regress work more magically by installing files to .OBJDIR

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
Add in initial support for test release packages

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>