Do not copy around TestCaseInfo

Now a `TEST_CASE` macro should create a single TestCaseInfo and then
it should never be copied around. This, together with latter changes,
should significantly decrease the number of allocations made before
`main` is even entered.

include/reporters/catch_reporter_automake.hpp

@@ -41,7 +41,7 @@ namespace Catch {
             } else {
                 stream << "FAIL";
             }
-            stream << ' ' << _testCaseStats.testInfo.name << '\n';
+            stream << ' ' << _testCaseStats.testInfo->name << '\n';
             StreamingReporterBase::testCaseEnded( _testCaseStats );
         }