make clean now uses find to locate all object files
Merge branch 'Work_1' of https://github.com/lvmguy/thin-provisioning-tools
Add a cucumber test for thin_check --quiet
More work on the thin_check --quiet feature
[btree_t] add failing clone test
Use full paths in some includes
[btree] update the root_ after an insert

!!!
[btree] call inc_children when shadowning a btree node.
[btree] factor out inc_children
[btree] Avoid an extra shadow op in split_sibling
[btree] fix bug in earlier patch.  inc_children was always begin called.
[btree] use a block_ref_counter for internal nodes
[btree_t] remove some debug output
[build] include btree.cc in the tools build (was just in unit-tests).
thin_check.cc: support --quiet in nested_output
thin_check.cc: remove superfluous 'if (enabled)'
thin_metadata_size: new metadata size calculation tool
thin_metadata_size: algorithm corrections and output adjustments