Create dallas.metadata

Adding Dallas
Delete dallas.metadata
Added Dallas Metadata

Dallas, Texas
Added Dallas, Texas
Merge branch 'dallas' of https://github.com/galvanthony/click_that_hood
Added Dublin, Ireland.
Merge branch 'master' of https://github.com/cushen/click_that_hood
Added Dublin, Ireland. 3 Neighbourhoods per feature.
Merge branch 'master' of https://github.com/cushen/click_that_hood