Add explicit includes/excludes to jsdoc config.
Adjust parameters of jsdoc-call in build.py.

The `src`-directory is no longer defined on the commmandline
and the `index.md` as explicit source file is now the first
argument.
Merge pull request #1814 from marcjansen/no-jsdoc-googx

Exclude `googx/dom/fullscreen.js` from API-docs