Merge topic 'libuv-raii'

1e9b7d3c server: Switched to a auto model for handles
f43b9219 tests: Added tests to verify UV RAII semantics/constructs
a3abb85c Add RAII handles for libuv handle types
90f8db26 tests: unconditionally enabled server tests
b56b51fc utility: Disabled copy ctors in thread classes

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1453