Add proper command line flags and version support

vendor/vendor.json

@@ -2,6 +2,24 @@
 	"comment": "",
 	"ignore": "test",
 	"package": [
+		{
+			"checksumSHA1": "KmjnydoAbofMieIWm+it5OWERaM=",
+			"path": "github.com/alecthomas/template",
+			"revision": "a0175ee3bccc567396460bf5acd36800cb10c49c",
+			"revisionTime": "2016-04-05T07:15:01Z"
+		},
+		{
+			"checksumSHA1": "3wt0pTXXeS+S93unwhGoLIyGX/Q=",
+			"path": "github.com/alecthomas/template/parse",
+			"revision": "a0175ee3bccc567396460bf5acd36800cb10c49c",
+			"revisionTime": "2016-04-05T07:15:01Z"
+		},
+		{
+			"checksumSHA1": "fCc3grA7vIxfBru7R3SqjcW+oLI=",
+			"path": "github.com/alecthomas/units",
+			"revision": "2efee857e7cfd4f3d0138cc3cbb1b4966962b93a",
+			"revisionTime": "2015-10-22T06:55:26Z"
+		},
 		{
 			"checksumSHA1": "5rPfda8jFccr3A6heL+JAmi9K9g=",
 			"path": "github.com/davecgh/go-spew/spew",
@@ -199,6 +217,12 @@
 			"path": "github.com/valyala/fasthttp/fasthttputil",
 			"revision": "881ac52b00ef21896de49a8aa185467c8a9ae49c",
 			"revisionTime": "2016-07-16T14:36:32Z"
+		},
+		{
+			"checksumSHA1": "SeYI7DRWrd0Ku+CLavuwIz3EEmQ=",
+			"path": "gopkg.in/alecthomas/kingpin.v2",
+			"revision": "e9044be3ab2a8e11d4e1f418d12f0790d57e8d70",
+			"revisionTime": "2016-08-29T10:30:05Z"
 		}
 	],
 	"rootPath": "github.com/jimeh/ozu.io"