NIHVIVO-76 Correct the log file parsing patterns: line now starts with a time-stamp.

utilities/acceptance-tests/script/output_suite_parser.rb

@@ -55,12 +55,12 @@ class OutputSuiteParser
           @suite_names << md[1]
         end
 
-        md = %r{^ERROR\s*(.*)}.match line
+        md = %r{ERROR\s*(.*)}.match line
         if md
           @errors << md[1]
         end
 
-        md = %r{^WARN\s*(.*)}.match line
+        md = %r{WARN\s*(.*)}.match line
         if md
           @warnings << md[1]
         end