Changes:
Better control of noise model in LRF:
In computeScanCorner.m
	sigma (standard deviation) for scan points is now an input argument (available from main.ini)

More convenient way to control metadata storage when set by user
In manualSetScanlines.m
	if optional argument metafile (path to a file) is passed to the function the scantrack, inPts and lost variables are saved to metafile

Image labels are filtered in img folder when indexes span is used
In loadCamData.m

In loadDataset.m
	Control of windows pop up from main.ini
	Blender images use prefix CAM_

In loadLidarData.m
	PCD files are not loaded all at once, but one by one during execution

In optimRotation.m
	Weighted error is plotted

main.m
	Multiple changes and fixes

Added:
Single loading of a PCD file to a xy array of x and y coordinates
In loadBlenderPCD