Merge pull request #2 from kapouer/master

Example of PostgreSQL support
add; docs for new options, tweaked skipfailures
add; docs for new opts
update; a new year!
update; deps
testing; ubuntu ppa fail on travis
Release 0.2.0
fix; do not use 'error' event for ogr2ogr info
update; readme
Release 0.2.1
fix; tighten source reqs
Release 0.2.2
update; do not default srs
Release 0.3.0