Fix bin-width only binning parameters in SofQW* algorithms.

VectorHelper::createAxisFromRebinParams() would produce garbage if it
was supplied only the bin width as binning params.
- Added hints to VectorHelper::createAxisFromRebinParams() which are
used when only the bin width is supplied as the binning range.
- The SofQW* algorithms now estimate the binning ranges (in both E and
Q) if they are supplied with bin width only params.
- The actual estimation is done in the SofQCommon utility class.

Re #22140