parse cesm timing

Attempt to parse cesm timing file from a template using format specification language and the parse module.

Setup

    virtualenv --python=python2 env
    . env/bin/activate
    python setup.py install

Use

    cd timing_parse
    ./timing_parse.py --config tp.cfg --timing-file cesm_timing.b.e20.BHIST.f09_g16.20thC.125.170122-223715