cmake: bump release version to 1.0-ida80

cmake: force static runtime on Windows

cmake: fix release package creation

CHANGELOG+CMakeLists: bump version to 0.9.

bump version to 0.8.

CMakeLists.txt: improve macOS handling.

doc/user_guide: update a reference to RetDec's installation instructions

LICENSE-THIRD-PARTY: update, remove entries that are no longer used.

bump version from 0.3.1 to 0.4