Only show "Running build steps" if there are running build steps

Dependencies

• [2] XHK7IGYI * hdyra: show last succeeded build and changes since on build status summary if build has failed
• [3] TVGN5QT5 add link to status page on queue page
• [4] TW5ZQX5Z * Move up the build products in the builds page, since they're more
• [5] KAZWI5G4 * hydra: buildpage, show changes since last build/successful build
• [6] TP3PFR5K
• [7] CEARA7OH * hydra: show running buildsteps on build page
• [8] WRIU3S5E * UI for cloning builds (not functional yet).
• [9] Z6MDQIGO * A quick (non-Web 2.0) interface to manually add builds to a release.
• [10] ZI535LI6 * hydra: 'new' UI for project/jobset/job/build
• [*] J5UVLXOK * Start of a basic Catalyst web interface.

Change contents

• replacement in src/root/build.tt at line 163
  [4.1107]→[4.1113:1146](∅→∅)
  − [% IF !build.finished %]
  [4.1107]

  [2.0]
  + [% IF !build.finished && build.buildsteps.size > 0 %]
• replacement in src/root/build.tt at line 165
  [2.58]→[4.276:288](∅→∅),[4.276]→[4.276:288](∅→∅)
  − [% END %]
  [2.58]

  [4.31]
  + [% END %]
• replacement in src/root/queue.tt at line 6
  [3.1]→[3.1:72](∅→∅)
  − <p>[ <a href="[% c.uri_for('/status') %]">Running buildsteps</a> ]</p>
  [3.1]

  [4.2390]
  + <p>[ <a href="[% c.uri_for('/status') %]">Running build steps</a> ]</p>