Enhancements to Revel command

Reformat of code
Allow user to use a mix of command line arguments and flags
Enhance the import tool to detect missing packages in the modules side
Added test cases for all commands

logger/logger.go

@@ -121,6 +121,7 @@ func SetDefaultLog(fromLog MultiLogger) {
 func (rl *RevelLogger) Debugf(msg string, param ...interface{}) {
 	rl.Debug(fmt.Sprintf(msg, param...))
 }
+
 // Formatted info call
 func (rl *RevelLogger) Infof(msg string, param ...interface{}) {
 	rl.Info(fmt.Sprintf(msg, param...))