Improving certain CLI commands: init, run (#207)

* Consolidating route type utilization

Fixes: #197

* Adding --version to fn init CLI command

* Updating functions_go to 0.1.36

* Updating route init process

* Updating tests

* Adding "memory" CLI flag to fn run

* Make CLI memory flag override what's in func.yaml

* Get rid of default value for memory flag

* Revert UX impact

 func.yaml remains the same, no nested maps

cli/lambda.go

@@ -180,12 +180,12 @@ func createFunctionYaml(opts createImageOptions, functionName string) error {
 
 	funcDesc := &funcfile{
 		Name:    opts.Name,
-		Path:    path,
-		Config:  opts.Config,
 		Version: "0.0.1",
 		Runtime: &opts.Base,
 		Cmd:     opts.Handler,
 	}
+	funcDesc.Config = opts.Config
+	funcDesc.Path = path
 
 	out, err := yaml.Marshal(funcDesc)
 	if err != nil {