Use the default navbar style for readability

Dependencies

• [2] QBT7FA7R Compatibility with latest bootstrap
• [3] HRAFVVOE make logo configurable via HYDRA_LOGO env var
• [4] OEPUOUNB Using twitter bootstrap for more consistent looks for Hydra
• [5] J5UVLXOK * Start of a basic Catalyst web interface.

Change contents

• replacement in src/root/layout.tt at line 93
  [3.649]→[2.459:516](∅→∅)
  − <div class="navbar navbar-fixed-top navbar-inverse">
  [3.649]

  [3.6786]
  + <div class="navbar navbar-fixed-top">