removed function ScriptManager::getLocalIndex (was redundant and was also depending on precompiled scripts)
added missing const to ScriptManager::getLocals
rewrote dialgoue filter access to local variables
some cleanup
moved call to Globalscripts::addStartup out of the constructor because at the time of construction the environment may not be set up yet to perform this operation
rewrote MWScript::Locals::configure to be independent of precompiled script data
improved documentation of ESM::Script member variables