Scrott ALPHA RELEASE v0.3

This is a small update to the alpha which adds some quality-of-life
improvements to the user interface and fixes just a couple internal
consistency issues.  Shortlog below.  (Yeah, I'm ditching manual
'release notes' already...)

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Malf Furious <m@lfurio.us> (7):
      Bump version number
      Define stricter username policy
      Automatically signoff assignee when closing issue
      Add tooltips to navbar buttons
      Add rudimentary system for launching a modal on page load
      Automatically show updated issues on page reload
      Display confirmation message when closing issue by advancing it
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