updated documentation (concat method)
update .gitignore and make clean
update tests
update travis to install dependencies for rgdal for taxize
update inheritance test
add installation for rJava to travis
try travis install packages from CRAN/devtools from source instead of linux binaries
still debugging travis
install r-cran-rjava to get java binary dependencies first
drop rrdf from suggests
fix simmap bug
test only if rrdf is available
establish test-all.R for unit testing in check