updating .gitignore
making sleuthkit a submodule of this repo
updating paths to accomodate new submodule
removed unnecessary experimental code, updated Changes file
gitignore update
refactored make-manifest.pl script, updated MANIFEST file
updated Makefile.PL

    * updated Makefile.PL to discard Exp.xs
    * added non-recursive behaviour to Makefile.PL
refactored ::Fs::Iterator and ::Fs::Iterator2

    * refactoring Tsk::Fs::Iterator and Tsk::Fs::Iterator2
    * adapted paths in make-manifests.pl to cope with new submodule
    * updated leak-test.sh
    * updated MANIFEST with right paths
    * updated Changes
removed unneeded Tsk-Exp.t
jerry rigged custom targets using ExtUtils::MakeMaker