move m4 files into tools subdir; move config.h.in into src subdir; (changes done to correct new requirements for CRAN repository)

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rniftilib@58 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
change package version number to 0.0.34

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rniftilib@59 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
line in Rd file was wider than 90 characters (line transformed to several lines)

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rniftilib@60 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
aclocal.m4 moved to tools subdirectory (to conform to R 3.0 check rules)

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rniftilib@61 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
remove configure script (should be generated from configure.ac)

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rniftilib@62 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
changes to remove compiler warning when compiling without zlib

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rniftilib@63 edb9625f-4e0d-4859-8d74-9fd3b1da38cb