add intermittent styling for waterways
make stream dasharray consistent with rivers,canals
revise sql to select intermittent ways at waterway_low,waterway_med
fix spacing, identation in waterways of BASED GOD
change coastlines to OSMD data sources, fix #121
Add Acra picto cf #90
Merge pull request #205 from skorasaurus/coastline-fix121

change coastlines to OSMD data sources, fix #121
Merge pull request #204 from skorasaurus/waterway-intermittent

adding styling for intermittent and seasonal Waterways (fix #105)