fix(fsrepo): use "please run ipfs init" message

repo/fsrepo/fsrepo.go

@@ -49,7 +49,7 @@ func (r *FSRepo) Open() error {
 		return debugerror.Errorf("repo is %s", r.state)
 	}
 	if !IsInitialized(r.path) {
-		return debugerror.New("repo is not initialized")
+		return debugerror.New("ipfs not initialized, please run 'ipfs init'")
 	}
 	// check repo path, then check all constituent parts.
 	// TODO acquire repo lock

test/sharness/t0070-user-config.sh

@@ -10,7 +10,7 @@ test_description="Test user-provided config values"
 
 test_init_ipfs
 
-test_expect_success "bootstrap doesn't overwrite user-provided, top-level keys" '
+test_expect_success "bootstrap doesn't overwrite user-provided config keys (top-level)" '
   ipfs config Foo.Bar baz &&
   ipfs bootstrap rm --all &&
   echo "baz" >expected &&