CODE CLEANUP: Gather code into lib part 2....

[minovations]

CODE CLEANUP: Gather code into lib part 2....

Changed files:

• include/lib-common-algebra.h
• lib/lib-common/lib-common-algebra.c
• lib/lib-io-dicom/lib-io-dicom.c
• lib/lib-io-nifti/lib-io-nifti.c
• lib/lib-memory/lib-memory-io.c
• lib/lib-memory/lib-memory-serie.c
• lib/lib-memory/lib-memory-slice.c
• source/gui/mainwindow.c