add ntfs lib as submodule.
integrate ntfs lib into gradle build.
Merge branch 'feature/issue-54-ntfs' into dev
fixes #54.
Merge remote-tracking branch 'origin/dev' into dev
update ntfs repo url.
update ntfslib.
add travis build file.
add rendered images to git repo.
in order to fix the build.
Merge branch 'dev' of github.com:alphaDev-net/drive-mount into dev
Merge branch 'feature/issue-42-travis' into dev
generic interface to read file attributes.
copy file to local cache on open

and return a FD pointing to the cached file.