Added logo information to readme
Merge branch 'master' of https://github.com/Financial-Times/o-ft-header into docs
Improved readme explaining how to implement o-hierarchical-nav better
Started commenting code
Commented code
Changed demos to reuse main.mustache
Config functions dont need to be self-executing
Config doesn't need functions
Fixed merge conflicts
Merge pull request #62 from Financial-Times/docs

Improved documentation and demos