CBQE-1401 Add tool script for uploading test report to cbfs server

After we finalize the report, we will upload the whole folder
containing all txt pdf files, whose name is build_number + run_number to
the cbfs path
/system-test/release_number(2.1.1)/platform(linux)/test_case(view_ssd)/build#+run#

Change-Id: I851778a6792c8988ca3e0de45d59f5dfc3bba643
Reviewed-on: http://review.couchbase.org/27524
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Chisheng Hong <chisheng@couchbase.com>
Tested-by: Chisheng Hong <chisheng@couchbase.com>