Install test binaries too (so they can be debugged)
Change the representation of matrices

The code is only partially changed; it will not compile
Doesn't work yet
Continuing rewrite; still not finished
It compiles
Cleanup representation
Fix initialization mistake
cppcheck and tidying
Fix memory management bug
Fix test-matr bug: missing indirection
Compile original rnc.cpp; Also, g_thread_init has been deprecated
Remove useless Matrix initialization code
Fix bug in invert()
Fix un/signed comparison warning
Fix matrix inversion screwed up when changing representation
Use Element instead of fq_t
Fix compile error: `md` not declared
Deny copying Matrix objects (Known bug: no deep copy ==> double free())
Fix bug caused by Matrix object copying
Add function: copy to contiguous memory area