glibc defines major and minor macros
which conflict with  gpu::DeviceInfo methods with the same name

This reverts commit fba72cb6, reversing
changes made to 02131ffb.

- fixed printCudaDeviceInfo for new CC
- fixed some compilation errors and warnings
- removed unset command from CMake script
- removed unused std imports

Invalid links and refences fixed.
SpaeseMat class documentation updated.

All errors were found by doc/check_docs2.py