Added link to section "Children Presentational:  True" in the spec.

- Moved data structure out of 'resolveReferences.js' to respecConfig.ariaSpecURLs.
- Fixed some links to the spec document, including some named anchors.
Added link to section "Children Presentational:  True" in the spec.

- Moved data structure out of 'resolveReferences.js' to respecConfig.ariaSpecURLs.
- Fixed some links to the spec document, including some named anchors.