- remove the old LGPL license headers from all files in Spack
- add SPDX headers to all files
- core and most packages are (Apache-2.0 OR MIT)
- a very small number of remaining packages are LGPL-2.1-only
* Add a QMakePackage base class
* Fix sqlite linking bug in qt-creator
* Add latest version of qt-creator
* Add latest version of qwt
* Use raw strings for regular expressions
* Increase minimum required version of qt
* Add comment about specific version of sqlite required
* Fixes for latest version of qwt and qt-creator
* Older versions of Qwt only work with older versions of Qt
- _spider in web.py was actually failing to spider deeper than a certain
point.
- Fixed multiprocessing pools to not use daemons and to allow recursive
spawning.
- Added detailed tests for spidering and for finding archive versions.
- left some xfail URL finding exercises for the reader.
- Fix noqa annotations for some @when decorators
