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

test/fn-api-tests/utils.go

@@ -130,6 +130,7 @@ func SetupDefaultSuite() *SuiteSetup {
 		RouteConfig:  map[string]string{},
 		RouteHeaders: map[string][]string{},
 		Cancel:       cancel,
+		Memory:       uint64(256),
 	}
 
 	_, ok := ss.Client.Version.GetVersion(nil)