Fix problem with community imports

There was a problem where importing from multiple communities into the
same account causing weird behavior. This fixes it.
(Bug 5022) change comment borders

made borders dotted and dashed to provide a non-colour-based visual distinction between them.
Merge pull request #354 from wychwoodx/support-color-accessibility-bug5022

(Bug 5022) change comment borders
Merge branch 'release-1.14' into develop