Main

read_test: add new uring read method to read_test. It uses (requires)
liburing and a kernel >= 5.6.

Correct multiply by integer operator. Also add test cases.

Use boost::program_options for the main program.

Adding initial version of read_test.

Remove legacy apache configs directory.

Update brutus configs.

Long overdue update of phalanx configuration files.

Initial version of integer division for the fixed point type.

Adding combined updates to the fixed point type.

Adding fixed point type changes from a few weeks ago. This includes
significantly expanded tests.