note: citelist is not currently working due to different doxygen bugs

This reverts commit ce97a107.

I think I made a mistake. That file was needed?

Vectors initialized to zero.

Conflicts:

	life/lifefunctions/CMakeLists.txt
	life/lifemesh/CMakeLists.txt
	life/lifesolver/CMakeLists.txt

Let FindTrilinos to set HAVE_TPLXXX

I still need to lifeconfig.h, but it is easy ;)

Changed the type of some cached CMake variables.

Removed from CMakeLists.txt (unused) checks for some standard C
headers. Also removed the corresponding defines from lifeconfig.h

Added CMake find script. Library is optional, must be specified
when it has been activated as a Trilinos dependency