Merge branch 'master' of https://github.com/diffpy/libobjcryst

* 'master' of https://github.com/diffpy/libobjcryst:
  BLD: bump version to 2021.1.1
  BLD: exclude `osx MYUSEMC=false` case in travis
  BLD: delete the `osx_image: xcode12.4` and `CONDA_BUILD_SYSROOT` in build config and .travis.yml
  BLD: specify macos SDK in CFLAGS variable in .travis.yml
  BLD: CONDA_BUILD_SYSROOT especially for osx
  BLD: add CONDA_BUILD_SYSROOT in conda_build_config.yaml for the macos sdk
  BLD: use xcode12.4 in .travis.yml
  Revert "BLD: update .travis.yml, add softwareupdate for osx"
  BLD: update .travis.yml, add softwareupdate for osx
  BLD: edit fallback version

Author: vincefn

.travis.yml

@@ -13,6 +13,8 @@ matrix:
   exclude:
     - os: osx
       env: MYUSEMC=true MYPYTHON_VERSION=2.7
+    - os: osx
+      env: MYUSEMC=false
 
 git:
   depth: 999999

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Release notes
 
+## Version 2021.1.1 - 2021-06-04
+
+### Added
+
+- Add 3D crystal visualization widget using py3Dmol.
+
+### Changed
+
+- Improve the indexing functions.
+- Better access to some global optimisation variables.
+- Expose the ZScatterer2Molecule function inside Molecule.h.
+- Add a cylindrical absorption correction (Lobanov & Alte da Veiga).
+
 ## Version 2017.2.3 - 2020-06-15
 
 ### Added

site_scons/fallback_version.py

@@ -7,4 +7,4 @@
 Update FALLBACK_VERSION when tagging a new release.
 '''
 
-FALLBACK_VERSION = '2017.2.3.post0'
+FALLBACK_VERSION = '2021.1.1.post0'