[PATCH+ICONS] adding POI icons

[erfabbri]

i made some svg icons to put in xpm folder, so we can have icons for poi_taxi,barrier_bollard,and others already implemented in osm.c and item_def.h

SVG source files are picked from Brian Quinion Icon Collection (CC0 license) ​http://www.sjjb.co.uk/mapicons/contactsheet

attached a patch with my suggested changes to navit_shipped.xml.

[usul]

Great work :) I spoted this topic, too, but we might work on uniting the icon styling ​http://wiki.navit-project.org/index.php/User:Usul/OwnMapIcons

So please stay tuned, till we refactored the way we collect embedd icons in the styles and how we can switch between different levels of detail.

[erfabbri]

ok, i hope the new icons will be added soon.

ps:if you are interested you can take a look at this page (navit also quoted): ​http://wiki.openstreetmap.org/wiki/Map_Icons

[usul]

user:xenos1984 is working on a new icon technique that allows us to store multiple icons in one file so we decrase the number of files significantly (related to a WinCE installer issue).

He made a script that uses the original OSM icons:
​https://forum.navit-project.org/viewtopic.php?f=19&t=409
I'm working on improving the current map style, too. This will need still some time, as we need a better strategy to deploy mapstyles and it's ressources to the enduser.

So as related to usability only, I schedule it for next major release that puts usability in focus.

P.S. I created this OSM wiki page about icons, long long years ago ;)