Update dependencies to symfony 4.x

Structuring all the same data that went into `patternlab-data.js` and…

… putting it into `patternlab-data.json` too (pattern-lab#161)

Disabling unhelpful console warning.

Removing defaults for ishViewportRange so it doesn't unexpectedly lim…

…it viewport range. (pattern-lab#145)

Exposing `theme` and `patternStates` to Styleguidekit (pattern-lab#143)

bringing back state via lineage (pattern-lab#142)

bringing back state via lineage

Fix for patternType docs

Bugfix for hidden patterns with docs

Implementing Pattern Type (ie atoms) Documentation (pattern-lab#141)

* Implementing Pattern Type (ie atoms) Documentation

* Enabling patternType docs in "All" as well

Preventing state from being added to Patterns in lineage. (pattern-la…

…b#139)