hydra: current build -> this build

Dependencies

• [2] 22JB5HNE make changes section more compact/readable
• [3] JBUTIGW7 hydra: description at changes section
• [4] XHK7IGYI * hdyra: show last succeeded build and changes since on build status summary if build has failed
• [5] LQNG45RT hydra: description at changes section
• [6] BIZEPF2T ignore this
• [*] J5UVLXOK * Start of a basic Catalyst web interface.

Change contents

• replacement in src/root/build.tt at line 195
  [2.264]→[2.264:307](∅→∅)
  − <th>Current build</th>
  [2.264]

  [2.307]
  + <th>This build</th>