Add "use strict" to graph.js

to solve eslint problems

```
lib/graph.js
27:17  error  Missing "use strict" statement  strict
63:15  error  Missing "use strict" statement  strict
64:16  error  Missing "use strict" statement  strict
87:22  error  Missing "use strict" statement  strict
97:22  error  Missing "use strict" statement  strict
263:22  error  Missing "use strict" statement  strict
270:28  error  Missing "use strict" statement  strict

✖ 7 problems
```
Search for name and id (for node highlighting)

To fix the problem that no node is found when coming from the map. The
link provides the MAC id. BUT the graph searched only for node names.
Fix typo
delete make comment

make is not used anymore
Merge branch 'bugsolve' of https://github.com/vsandre/ffmap-d3 into vsandre-bugsolve

Conflicts:
	config.js
	lib/graph.js