Changed --cutoff to --abort

include/catch_runner.hpp

@@ -84,7 +84,7 @@ namespace Catch {
             << "\t-s, --success\n"
             << "\t-b, --break\n"
             << "\t-n, --name <name>\n"
-            << "\t-c, --cutoff [#]\n\n"
+            << "\t-a, --abort [#]\n\n"
             << "For more detail usage please see: https://github.com/philsquared/Catch/wiki/Command-line" << std::endl;    
     }
     inline void showHelp( std::string exeName ) {

include/internal/catch_commandline.hpp

@@ -162,7 +162,7 @@ namespace Catch {
                 config.setShowHelp( true );
             }
 
-            if( Command cmd = parser.find( "-c", "--cutoff" ) ) {
+            if( Command cmd = parser.find( "-a", "--abort" ) ) {
                 if( cmd.argsCount() > 1 )
                     throw std::domain_error( cmd.name() + " only accepts 0-1 arguments" );
                 int threshold = 1;