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 4196) Add missing comma
Merge pull request #352 from afuna/sql-error-bug4196

(Bug 4196) Add missing comma
(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
Bug 4509 - Makes expand/collapse arrows scalable with font size, adds svg versions for higher res, adds logic for gif fallback
(Bug 4196) Add more detection for the "On..." line

This is specifically for replying from Gmail web interface.
Merge pull request #356 from afuna/gmail-on-wrote-bug4196

(Bug 4196) Add more detection for the "On..." line
Merge pull request #357 from afuna/gmail-on-wrote-bug4196

(Bug 4196) Add more detection for the "On..." line
(Bug 5026) Add yyyy/mm/dd format
(Bug 5026) Limit how many lines back we look

To reduce the chance that we accidentally snip mid-message.
(Bug 5026) Another date format

On Apr xx, xxxx...
(Bug 5026) Recognize ---Original Message--- separator
(Bug 5024) Remove embedded HTML from the plaintext comment notif
Merge pull request #359 from afuna/plaintext-email-bug5024

(Bug 5024) Remove embedded HTML from the plaintext comment notif
Merge pull request #358 from afuna/general-on-wrote-bug5026

(Bug 5026) Recognize more formats of separators before the quoted message
Merge branch 'release-1.15' into develop

* release-1.15:
  (Bug 5024) Remove embedded HTML from the plaintext comment notif
  (Bug 5026) Recognize ---Original Message--- separator
  (Bug 5026) Another date format
  (Bug 5026) Limit how many lines back we look
  (Bug 5026) Add yyyy/mm/dd format
Merge pull request #349 from deborahgu/4509

Bug 4509 - Bug 4509 - Makes expand/collapse arrows scalable with font size, adds svg versions for higher res, adds logic for gif fallback