add tests for expected layout of files in repo

References: #4914
Merge pull request #4948 from rolandwalker/test_repo_layout

add tests for expected layout of files in repo
Add Logoist.app
use HTTPS url in actiontastic.rb
use HTTPS url in air-video-server.rb
use HTTPS url in android-studio.rb
use HTTPS url in angry-ip-scanner.rb
use HTTPS url in aquaterm.rb
use HTTPS url in arduino.rb
use HTTPS url in aria-maestosa.rb
use HTTPS url in aseprite.rb
use HTTPS url in audacity.rb
use HTTPS url in audioslicer.rb
use HTTPS url in avidemux.rb
use HTTPS url in avogadro.rb
use HTTPS url in bibdesk.rb
use HTTPS url in black-ink.rb
use HTTPS url in black-light.rb
use HTTPS url in brain-workshop.rb
use HTTPS url in breakaway.rb