sync on ExtrusionLayer.vertexPool instead of each Vertex
fix: LwHttp - retry when address lookup failed

- use 5sec read timeout
- use tcp_nodelay
Inlist:

- add Inlist.List size()
- make Inlist work items indirectly extending Inlist
- check Inlist.push() argument to not push lists
rename theme property base-text-size -> base-text-scale
theme: increase osmarender way label size