CRA-656: Added LAS well support (only for reading).
Merge branch 'CRA-656'

Conflicts:
	crava.vcxproj
	crava.vcxproj.filters
CRA-663: New routine CenterWellWavelet rotates wavelets so that peak is in center before writing to file. Only done for well wavelets.
Merge pull request #80 from RagnarHauge/master

Include reading of LAS wells and center well wavelets