Add abort_clean so that CI does not get stuck on a message box that can never be answered
alignment rules do not apply to stack variables, so the tests cannot have the alignment check in the destructor: only for memory pushed into and coming straight out of Lua
Add name of project at top of license
fix container_traits with respect to boost::property_tree: Fixes#554
fix as_table with a vector of tuples (forward_get ignored constness): Fixes#552