Adding unit tests for tnlString, tnlObject and tnlArrayManager.

Adding new class tnlArrayManager for managing arrays - allocation/deallocation, load and save functions etc.
tnlVector is derived from tnlArrayManager.

Small fix in RgCSR kernel.

Fixing operator == in tnlString.

Fixing timers.

Adding paralle reduction to SpMV in Rg CSR format.

Debuged row sorting in tnlMatrix.
Moving matrix format tests to matrix benchmark.