Active build steps: Make the rows clickable

Dependencies

• [2] PZL3SZM3 Give every page a consistent title
• [3] JARRBLZD Bootstrapify the Hydra forms (except the project and jobset edit pages)
• [4] EFWN7JBV * Added a status page that shows all the currently executing build steps.

Change contents

• replacement in src/root/status.tt at line 4
  [3.1222]→[2.4450:4514](∅→∅)
  − <table class="tablesorter table table-striped table-condensed">
  [3.1222]

  [2.4514]
  + <table class="tablesorter table table-striped table-condensed clickable-rows">
• replacement in src/root/status.tt at line 15
  [2.5085]→[2.5085:5209](∅→∅)
  − <td><a href="[% c.uri_for('/build' step.build.id 'nixlog' step.stepnr 'tail-reload') %]">[% step.stepnr %]</a></td>
  [2.5085]

  [2.5209]
  + <td><a class="row-link" href="[% c.uri_for('/build' step.build.id 'nixlog' step.stepnr 'tail-reload') %]">[% step.stepnr %]</a></td>