* Added dependent BACnet stack headers into bacdef.h file.
* Changed bacdef.h and other stack includes in c/h files to have a common pattern.
* Moved bits.h, bytes.h, and bacnet_stack_exports.h under bacnet/basic/sys/ folder.
* Enable extra GCC warnings to discover subtle bugs
* convert c++ comments to c comments
* cleanup pedantic compiler warnings
* Compile apps with GNU89 GNU99 GNU11 and GNU17
Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
* Fix warnings found by splint
* Ignore Win32 Builder warnings about possible data loss for integers.
* Fix Windows build warnings
Co-authored-by: Steve Karg <skarg@users.sourceforge.net>