abort if it fails to create fieldtype
support for custom geometry column names (e.g. way, the_geom)
add -lgeos to LDFLAGS
fix deserializing of cached tags with empty key
fixed cache/binary test for go1.3
Merge pull request #28 from bdon/master

Disable SSL when using a unix domain socket.
fix table prefix option for recent lib/pq versions (closes #27)
Merge branch 'master' of github.com:omniscale/imposm3