change author sort-separator
Add in a spacer after the comma between the author last name and
their initials in the reference list
Update environmental-microbiology.csl

Add space after period between each initial of author names in reference list
Revert back to '.' for initialize-with

There is not supposed to be a space between the initials of the author names
Merge pull request #823 from ctSkennerton/master

change author sort-separator