* A new function "ChrRepairDistrWieghted" for an improvement of dot distribution.

* A bug in photobleaching, that caused blinking of images, repaired. Previously, 
the conversion float->unsigned was performed by truncating the float value. Now, the 
conversion is called after 'roundf' function.

M    TODO
M    src/cell.cpp
M    src/cell.h
M    src/cellChr.cpp
M    src/cell_06_G1Phase.cpp
M    src/cell_07_SPhase.cpp
M    src/cell_08_G2Phase.cpp