Render unsegregated cycle track as light blue

[kaneap]

Fixes #640

Description

This PR sets the color of cycleway(:left/:right/:both)=track to light blue (same color as bicycle=designated on unsegregated highway=path) when cycleway(:left/:right/:both):segregated=no.
The rules xml file generated is slightly larger after this change: From 7MB to 7.4MB

Examples

Example 1:

A two-way shared cycle and foot path on one side of the road.
Location: https://www.openstreetmap.org/way/50741273
Before:

After:

Example 2:

A one-way shared cycle and foot path on one side of the road.
Location: https://www.openstreetmap.org/way/654562266
Before:

After:

Example 3:

One way shared cycle and foot paths on both sides of the road.
Location: https://www.openstreetmap.org/way/515092494
Before:

After:

[Phyks]

Hi!

Thanks for the PR! I did not do a full review yet, but looks good to me. I'll have a deeper look and merge ASAP.

[Phyks]

Merged, thanks! It will be available in the next deployed version.