using backquote as argument resulted in only first line as first argument to removeAsciiEscapes

Dependencies

• [2] PY4WQF5G remove ascii escapes from log in tail page and emails
• [3] 2R7GHSA4 * hydra: added initial version of build graph
• [4] QUTWJR7P * Include more info in notification emails.
• [5] BOFOHCPK removed debug print, added last 50 lines in failure emails
• [6] NZI7E2E3 * hydra: handle case where logfile is empty
• [7] KSD75RNJ Hydra/18: fixed uninitialized value error when logfile is null
• [8] ZEEZRG2E clean up build page for build that failed with result
• [9] KA45EBF5 * Send email if a build fails.
• [*] LBNVQXUB * Build the /build stuff in a separate controller.
• [*] 7YBYT2LQ

Change contents

• replacement in src/lib/Hydra/Controller/Build.pm at line 58
  [3.168]→[2.0:64](∅→∅)
  − $c->stash->{logtext} = removeAsciiEscapes(`tail -n 50 $path`);
  [3.168]

  [3.222]
  + my $logtext = `tail -n 50 $path`;

  + $c->stash->{logtext} = removeAsciiEscapes($logtext);
• replacement in src/script/hydra_build.pl.in at line 159
  [3.71]→[2.258:386](∅→∅)
  − my $logtext = defined $logfile && -e $logfile ? removeAsciiEscapes(`tail -$loglines $logfile`) : "No logfile available.\n";
  [3.71]

  [3.807]
  + my $logtext = defined $logfile && -e $logfile ? `tail -$loglines $logfile` : "No logfile available.\n";

  + $logtext = removeAsciiEscapes($logtext);