Merge branch 'develop' of https://github.com/vladimir-v-diaz/tuf into develop
Merge branch 'develop' of https://github.com/theupdateframework/tuf into develop
Merge branch 'develop' of https://github.com/vladimir-v-diaz/tuf into develop
Merge branch 'develop' of https://github.com/vladimir-v-diaz/tuf into develop
Fix file paths, organization, and add high-level description.

Separate the consistent snapshots and delegated hashed bins sections in the Table of Contents.
Add leading / to paths listed in the examples.
Add introductory problem description to Consistent Snapshots section.
Add introductory test to 'Create Top-level Metadata' section.