Remove empty base TimeMeasurementBase. Remove virtual qualifiers.

This reverts commit 05677165.

Conflicts:
	FileIO/XmlIO/XmlGspInterface.cpp
	README.md

- binarySearch
- class CPUTime
- class RunTime
- methods/functions from DateTools.{h,cpp}

changes in GeoLib and in SimpleTests folder results from changing the namespace

in order to make the name of libraries, namespaces and directories more consistent the Base directory is know named BaseLib