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.

Implementing better distribution of threads to rows for having smaller chunks in Adaptive Rg CSR format.