than necessary when pulling out chips.

Locate ATLAS on RHEL/CentOS 7

This makes it about 4x faster in that case.

bit more accurate.

and const correctness.

now it behaves more like the rectangle in terms of how it measures
width and height.

subdirectories and create a lot of executables.

a config_reader.

to avoid a cmake error on some platforms when one of these libraries
can't be found.