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
improve exception documentation
improve state_view default handlers
add SAFE_PROPAGATION defines for compiling C++ as Lua
add examples for automatic operator registrations and as_container
fix tutorial code
change tests to not throw unless absolutely necessary
provide synchronization for file writing in tests
provide thread safety around thread tests for REQUIRE
add ostream automatic support
change 5.1 compat to only kick in luaL_loadbufferx and luaL_loadfilex when LuaJIT is version 2.0.1 and lower