refs #4241 moving CoreConsole commands into subdirectory

plugins/CoreConsole/Commands/CodeCoverage.php

plugins/CoreConsole/Commands/GenerateApi.php

plugins/CoreConsole/Commands/GenerateController.php

plugins/CoreConsole/Commands/GeneratePlugin.php

plugins/CoreConsole/Commands/GeneratePluginBase.php

plugins/CoreConsole/Commands/GenerateSettings.php

plugins/CoreConsole/Commands/GenerateTest.php

plugins/CoreConsole/Commands/GenerateVisualizationPlugin.php

plugins/CoreConsole/Commands/GitCommit.php

plugins/CoreConsole/Commands/GitPull.php

plugins/CoreConsole/Commands/GitPush.php

plugins/CoreConsole/Commands/RunTests.php

plugins/CoreConsole/Commands/WatchLog.php

plugins/CoreConsole/CoreConsole.php