CODE CLEANUP: Gather all code regarding algebraic functions into 1 library

[minovations]

CODE CLEANUP: Gather all code regarding algebraic functions into 1 library

CHANGES:

• moved lib/lib-memory/lib-memory-quaternion.c to lib/lib-common/lib-common-algebra.c
• moved lib/lib-memory/lib-memory-quaternion.h to lib/lib-common/lib-common-algebra.h
• Changed lib-memory-quaternion into lib-common-algebra. This affected:
  • include/lib-io-nifti.h
  • include/lib-memory-serie.h
  • include/lib-memory-quaternion.h
  • lib/lib-memory/lib-memory-io.c
  • lib/lib-memory/lib-memory-quaternion.c
  • lib/lib-memory/lib-memory-slice.c