* BaseRemote: start moving tree functions into BaseRemoteTree
* remote: add LocalRemoteTree
* remote: add cloud remote trees
* remote: move remove(), makedirs() into tree
* remote: move move(), copy(), symlink(), hardlink(), reflink() into tree
* fix attributes for moved remote methods
* tests: update unit tests for moved remote tree methods
* tests: mv unit/remote/test_remote_dir.py unit/remote/test_remote_tree.py
* fix attributes for moved remote tree functions
* tests: update func tests for moved remote tree methods
* test fixes
* fix DS warnings
Peter Rowlands (변기호)
nik123
Ruslan Kuprieiev
Ivan Shcheklein