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

* Add SSL_CERT_FILE and REQUESTS_CA_BUNDLE env vars to passed-through variables  #2142
* Sort several package aspects for package reproducibility  #2143 #2149 #2154
* Add glob2 dependency to allow recursive globs in fields specifying filenames/paths  #2146
* Add conda skeleton rpm for creating recipes to repackage RPMs as conda packages  #2147
* Improve error messaging when git describe fails due to lack of annotated tags  #2158

Bug fixes:
----------

* drop setup.py data that is not JSON serializable  #2141
* enhance support for recipes containing unicode or non-ascii characters in meta.yaml  #2148
* CRAN skeleton: allow some keys to be blank without throwing exceptions  #2153
* Fix incorrect arguments passed to pyldd (use keywords)  #2160
* fix incorrect distribution of variants when more than one variant key matched  #2161