[Tile-serving] [osm2pgsql] Add cmake build scripts and appveyor.yml (#460)

[alex85k]

Diffrerences from verbose make (skipping identical parts):
```
CMake (Release build, default):
g++  -DBOOST_TEST_DYN_LINK  -D_FILE_OFFSET_BITS=64  -D_LARGEFILE_SOURCE
  -O3 -DNDEBUG .....

CMake (Debug build):
g++  -DBOOST_TEST_DYN_LINK  -D_FILE_OFFSET_BITS=64  -D_LARGEFILE_SOURCE
  -g .....

Autotools:
g++ -isystem geos-fallback
 -g -O2 -Wall ......

```
Are we missing -Wall  ? Does anyaone need geos-fallback or -g by defaut?

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