#714 Endless realtime coding convention.
Updated osm downloader to use qgis_version=2
removing custom keyAt method from third_party.odict 
this is needed to allow the code to run with pythons builtin ordereddict
Fix osm download version
Updated attribution wording to correctly cite WB / GFDRR
Merge branch 'master' of github.com:AIFDR/inasafe into native_qgis_impact
#725
Merge branch 'master' of github.com:AIFDR/inasafe into native_qgis_impact
New impact report in road+polygon experimental impact function