add standalone test program for detect.

also, fix detect itself (relative references are ... bad?)

go/.gitignore

@@ -1,6 +1,7 @@
.go
qst
test_detect
examples/hello
examples/hello_web

go/detect/detect.go

@@ -1,11 +1,9 @@
package detect
import (
	"fmt"
	"os"
	"path"
	"./fileutil"
	"../fileutil"
)
/*

go/test_detect.go

@@ -0,0 +1,22 @@
package main
import (
	"fmt"
	"os"
	"./detect"
)
func main() {
	if len(os.Args) < 2 {
		fmt.Printf("Usage: %s <file>\n", os.Args[0])
		os.Exit(1)
	}
	file := os.Args[1]
	for _, project := range detect.ProjectTypes {
		runCmd := project.Commands["run"]
		fmt.Printf("%v (%v): %v\n", project.Id, runCmd, project.Detect(file))
	}
}