adding oraclejdk8 to .travis.yml
adding data files and test for #17, trim the squish
fixed #17
fixed #18

 * added command line option -w,--with-weirdness

 * changed behavior: weirdness implies totes pruning and header mutations

 * added a unit test for no-weirdness on dirs

 * changed some old unit tests to use weirdness
merge master into macosx