Update Developer Guide format - Add links to the glossary - Centralise the captions for the diagrams - Edit Person to Task
Update Developer Guide format
- Add links to the glossary
- Centralise the captions for the diagrams
- Edit Person to Task

Drashti96/main,zachylimwl/WhatNow,CS2103AUG2016-W15-C4/main,Verbena/WhatNow,1o0p3r/main