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

[alex85k]

My report from exotic system: RedHat 6.1, no root, with installed old gcc, old boost , old lua etc.
Done this (with multiple trial-and-errors):
 - Built fresh cmake 3.3.1
 - Built gcc 5.2.0 in custom directory
 - Built all the libraries with it, placing libs and includes together with gcc. (bzip2, zlib, expat, proj, geos 3.5.0 (no SVN!))
 - Built Boost 1.59 and Postgresql 9.4.5 in separate folders 
 
To get rid of system libs for cmake had to do this:
```
GCC_HOME=/gpfs/soft/gcc/5.2.0-rh6
export LD_LIBRARY_PATH=${GCC_HOME}/lib64:${GCC_HOME}/lib:$LD_LIBRARY_PATH
export LD_RUN_PATH=${GCC_HOME}/lib64:${GCC_HOME}/lib:$LD_LIBRARY_PATH
export PATH=${GCC_HOME}/bin:$PATH
export C_INCLUDE_PATH=${GCC_HOME}/include
export CPLUS_INCLUDE_PATH=${GCC_HOME}/include

export CC=/gpfs/soft/gcc/5.2.0-rh6/bin/gcc
export CXX=/gpfs/soft/gcc/5.2.0-rh6/bin/g++
export CMAKE_PREFIX_PATH=/gpfs/soft/postgresql/v945_gcc520
cmake .. -DBOOST_ROOT=/gpfs/soft/boost/gcc520  -DCMAKE_BUILD_TYPE=Release -DBoost_ADDITIONAL_VERSIONS="1.57;1.58;1.59" -DBUILD_TESTS=ON
make -j8
ctest -VV -L NoDB
```
It worked!

Notes:
  - gcc from git 3.5.0 branch is incompatible - GeometryFactory had been made protected
  - cmake does not find boost 1.59 automatically for now - we may need to add it to CMakeLists.txt
  - all the custom-built lib should be placed together with custom gcc or listed in export CMAKE_PREFIX_PATH .
 


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