Evolve nuxeo suggesbox api to serve highlights

Problem

• When doing a quick search, results may seem unrelated to the text query to the user
• On documents, title search may be to restricted, but full text search may bec confusing for the user.

Minimum scope

• Highlight searched term on the result
• Display ID on Author and Group suggestion

Full scope

• Change doc suggester to full text
• Present result highlights according to topic Functional specs