added changes since last version to changelog

Merge pull request ufz#1128 from chleh/cleanup-geotype

Cleanup GEOTYPE

Update changelog.

Update .clang-format.

Merge pull request ufz#798 from rinkk/GmlReaderMemoryFix

[Fix] correctly deleting pointers in GmlInterface

Merge pull request ufz#701 from bilke/changelog

Add a changelog

The RPATH is now set to the binaries location on Linux.

See http://www.cmake.org/Wiki/CMake_RPATH_handling

Merge pull request ufz#536 from endJunction/SimpleBenchmarks

Simple benchmarks