Disallow space between a function & opening paren
Disallow space between a function & opening paren

This rule was adopted in js-openstack-lib and I propose
we adopt it here as well. Whether we enforce a space or
no space, so long as it is consistent.

Change-Id: I5881b46ea16112729f2327484e56bcb138e0c386

openstack/eslint-config-openstack