Tags: kadcom/pqview

Add Hour 6: PostgreSQL 9.3 / Windows XP backport

- Backport of hour5.2_modular for PostgreSQL 9.3 compatibility
- Add compat.h for MSVC 2005 / Windows XP support:
  - snprintf -> _snprintf macro
  - ICC_STANDARD_CLASSES, LVS_EX_DOUBLEBUFFER, CLEARTYPE_QUALITY defines
- Fix C89 mixed declarations (move variables to top of blocks)
- Update CMakeLists.txt for older toolchain:
  - CMake 3.11 minimum (was 3.20)
  - link_directories instead of target_link_directories
  - set_target_properties LINK_FLAGS instead of target_link_options
- Update DLL list for OpenSSL 1.0.x (ssleay32.dll, libeay32.dll)