* Strip x.x selectors

* Assign build-time python lock

* Minimal build matrix

* Numpy locking

* Force -m64 on darwin

* ds9: add md5 hash

* stsci: Remove build section

* Replace python calls with env variable; Strip redundant exit conditions

* Remove dead packages

* sextractor: Use Intel MKL

* Use autotools whatever the platform; Switch URL to github mirror (astromatic is too slow)

* Force linkage against Intel OpenMP

Signed-off-by: Joseph Hunkeler <jhunkeler@gmail.com>

* Add version guard template

* Remove dead sextractor package

* Bump all build revisions

* Remove recipes that exist in defaults or no longer serve a purpose

* Fixup mosviz requirements

* Remove purge_path usage

* Remove glue* recipes (favor defaults channel)

* Remove pydrizzle

* Replace glueviz requirement with glue-core

* Remove pytools

* Remove pytools dependency

* Adjust specviz requirements

* pyregion moved to astropy org

* Fix d2to1 dependency

* Remove d2to1 pip calls

* Remove deprecated stsci_sphinx_theme

This bug fix includes fixes for the following issues: https://github.com/spacetelescope/drizzlepac/issues/93, https://github.com/spacetelescope/drizzlepac/issues/94, and  https://github.com/spacetelescope/drizzlepac/issues/97

Fixed catalog doubling and catalog filtering issues in tweakreg. See https://github.com/spacetelescope/drizzlepac/pull/90 for more details.

Fix integer division in tweakreg. See https://github.com/spacetelescope/drizzlepac/pull/86 for more details.

CC: @rendinam @jhunkeler

HSTDP 2017.2