Require libdiffpy 1.3.1 or later in conda recipe.

Author: pavoljuhas

conda-recipe/meta.yaml

@@ -19,7 +19,7 @@ requirements:
     - python
     - setuptools
     - numpy 1.9.2
-    - libdiffpy 1.3|1.3.*
+    - libdiffpy 1.3.*
     - pycifrw
     - diffpy.structure
     - scons
@@ -28,7 +28,7 @@ requirements:
     - python
     - setuptools
     - numpy >=1.9.2
-    - libdiffpy 1.3|1.3.*
+    - libdiffpy 1.3.*
     - pycifrw
     - diffpy.structure
     - pyobjcryst 2.0*