rename devtools < dev-tools for uniformity across projects

cmake/bornagain/modules/BornAgainCPack.cmake

cmake/bornagain/modules/CheckCode.cmake

cmake/bornagain/modules/PyExamplesLineLength.cmake

devtools/README

devtools/ad-hoc/JWu/bornplot2.py

devtools/ad-hoc/JWu/par_changed.py

devtools/ad-hoc/JWu/partial_history.txt

devtools/ad-hoc/JWu/perf-log-old2yaml.py

devtools/analyze/baloc/__init__.py

devtools/analyze/baloc/file_types.py

devtools/analyze/baloc/history_collector.py

devtools/analyze/baloc/history_plot.py

devtools/analyze/check-line-length.py

devtools/analyze/gitlog.tmp

devtools/analyze/lines_of_code.png

devtools/analyze/lines_of_code.py

devtools/code-tools/print-includes.py

devtools/code-tools/update-filename.py

devtools/code-tools/update-minimizers.py

devtools/code-tools/update-sourcecode-header.py