Non-push comment editing

Make comments refresh with the edited text even when push is disabled.
Improve forum/thread list clarity in Altrue theme.

Darkens annotations next to forum/thread names, and slightly darkens list group item text.
Merge pull request #87 from ayust/patch-2

Non-push comment editing
Merge pull request #89 from ayust/patch-3

Improve forum/thread list clarity in Altrue theme.
Merge branch 'develop' into deploy