Reduce visibility of internal methods.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>
Whitespace.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>
Build Path lists from nested directory structures.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>
Remove naive iterate() because toList() already provides that
functionality. Add iterable() which doesn't use an intermediate
ArrayList instance as replacement.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>
Add conversion method from Iterables to streams.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>