Bug fixes:
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* clean up license field for pypi skeleton  #2938
* fix regex to match requirements with trailing spaces  #2948
* Check for dash in text with variants  #2949
* do not check in build prefix for overlinking when merging build and host  #2950
* utils.glob: remove unnecessary normcas, fix test_expand_globs  #2952
* add missing "build" fields in FIELDS schema thing  #2962

Contributors:
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* @isuruf
* @mariusvniekerk
* @mbargull
* @mingwandroid