Merge pull request #46 from Spantree/feature/suggestions

Feature/suggestions
adding more images to intro
allow us to define a line number in the sense file
Updated aggs
Added relevant es links to markdown files
Updated git commits / people in indexing
Removed MongoDB from how we query
Updated query.md to use posts, look better
Unbolded boosting
Nestle now uses proper E character
Added lang: groovy to scripting example
Stubbing out slide layout
Initial suggest slides