Enhancements:
-------------

* rewrite long prefix paths as $PREFIX, etc. for more readable build logs  #3258
* make the --output-folder switch configurable in condarc  #3265
* make the --long-test-prefix switch configurable in condarc, fix logic error with that argument  #3266

Bug fixes:
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* improve robustness of indexing in face of corrupt package data #3238
* change timeouts to 900 instead of 90  #3239
* add activation to wheel bundling script  #3240
* fix PermissionError import from utils, undefined on py2.7  #3247
* fix outputs with custom build string getting hash incorrectly  #3250
* fix tests not being run on windows  #3257

Contributors:
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* @Bezier89
* @gabm
* @isuruf
* @minrk
* @msarahan
* @teake
* @tomashek
* @tschoonj