Merge branch 'develop' into 'hotfix-get_type_of_opened_data_file_macos'

# Conflicts:
#   CHANGELOG
#   MDANSE/__pkginfo__.py

CHANGELOG

+version 1.2.0
+--------------
+
 version 1.1.2
 --------------
 * ADDED issue #15 An automatic mode for data loading is added to compel with the fact that data filter does not appear in data loading popup on macOS

MDANSE/__pkginfo__.py

@@ -25,7 +25,7 @@ __repo__             = "https://code.ill.fr/scientific-software/mdanse/"
 
 __license__          = "GPL 3"
 
-__version__ = "1.1.2"
+__version__ = "1.2.0"
 
 __date__ = "20-06-2018"