Addr:full
Merge place points with place boundaries

OPEN - task 15: Refactor places processing
http://github.com/kiselev-dv/gazetteer/issues/issue/15
Get id and get ftype assertions

OPEN - task 15: Refactor places processing
http://github.com/kiselev-dv/gazetteer/issues/issue/15
Linestrings slicing.