hoxton-one/golden-layout — pull request #10 by iver56 (2014-10-18 19:07:36+00:00)
Title: Don't close tab with middle click if isClosable is false

The implementation of https://github.com/hoxton-one/golden-layout/issues/7 introduced a minor bug:
One could close a tab with isClosable: false by middle clicking it

This pull request fixes the bug.