Updates to the niftilb C package

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Updates in version 0.3 April 12, 2006

    - added const in appropriate function parameter locations
    - shortened all string constants below 509 character limit
    - added nifti_is_complete_filename()
    - made minor memory fixes
    - fixed error in QSTR() definition
    - use nifti_set_filenames() in nifti_convert_nhdr2nim()
    - added new tests in Testing/niftilib/nifti_test.c
    - added skip blank extension option to keep 348 byte header
    - when reading, allow 0 or 1 in dim[] fields above dim[0]
    - added more tests to nifti_hdr_looks_good()
    - nifti_tool: added check_hdr and check_nim action options

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Updates in version 0.4 September 6, 2006

    - for testing, added Testing/Data, Testing/niftilib/nifti_test2.c and
        Testing/Data/ATestReferenceImageForReadingAndWriting.nii.gz
      - modified Testing/niftilib/nifti_test.c for better code coverage
    - added switch for not building unused funcs in nifti_stats.c
    - modified nifti1_io.c: free(hstr) and clear ext vars
    - fixed nt=0 case from 1.17 change in nifti_alloc_NBL_mem()
    - fixed nifti_findhdrname() logic for efirst
    - all fsliolib files: updated header to make public domain clear
    - added nifti_set_skip_blank_ext()

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Updates in version 0.5 May 17, 2007

    - fixed duplication of incuding utils directory for CMake
    - syncronized with developments in ITK to prepare for building and
      tar/rpm/dmg packaging with new versions of cmake
    - added more typecasting to remove compiler warnings
    - fslio.c: check for NULL return from nifti_image_read()
    - creation of nifticdf directory, to separate cdf library functions
      from utils/nifti_stats.c
    - make system update for nifticdf
    - modified CMakeBuild system to be compliant with new CPACK mechanism
      of generating binary distributions
    - modified CMake system to build shared libraries
    - modified Makefiles to use ARCH in more cases