Cleanup Howto's and Tools

[dkastl]

The Howto's and Tools pages look very old and are probably (partially) outdated.
Maybe better to remove this section completely and use the Github Wiki or Workshop instead.

[MarPetra]

How to- Related issues

• How to / Build pgRouting for Windows #31
• How to/ Contribute #32
• links inside How to/Contribute (as a table of contents) #33
• How to/ Converting OSM-Files into PostgreSQL-Scripts #34
• How to/ Diagnostic Tools #35
• links inside How to/Diagnostic tools (as a table of contents) #36
• How to/ show the route with Mapserver #37
• How to/ handle one-way streets #38
• How to/ Working with OpenStreetMap data #39
• How to/ Working with Shapefiles #40
• How to/ Collection of useful SQL commands #41
• How to/ Collection of useful SQL commands/ JOIN two tables #42
• How to/ Creating Data for Routing Applications #43
• links inside How to/ Creating Data for Routing Applications (as a table of contents) #44
• How to/ Network data validation #45

[MarPetra]

Tools- Related issues

• Tools/ osm2pgrouting - Import OSM data into pgRouting Database #46
• Tools/ osm2postgis - Import OSM data to PostGIS #47
• Tools/ osm2po - tool to convert OSM data into a routable format #48
• Tools/ osm4routing - OpenStreetMap data parser to turn them into a nodes-edges adapted for routing applications #49

[cvvergara]

Move the "How to" to the wiki.
Will guide you on the first one.