Move documentation files to /doc

README.md

@@ -11,7 +11,11 @@ the client side and runs runtime-compiled C++ modules on the server side.
 Go ahead and write some modules and extensions, maybe the minecraftlike will
 exist in the near future!
 
-Further reading: design.txt, conventions.txt
+Further reading:
+
+* doc/design.txt
+* doc/conventions.txt
+* doc/client_api.txt
 
 Buildat Linux How-To
 ====================

doc/todo.txt

@@ -29,3 +29,4 @@ Buildat TODO
   CMake to RCC++
 - Voxel world with arbitrary chunk size and offset, with pluggable loader
   modules. Main world has worldspace_id=1. Try Polyvox.
+- Support Cereal's shared pointer serialization in Lua

external_issues.txt

@@ -0,0 +1,10 @@
+Issues in other projects affecting Buildat
+==========================================
+
+Urho3D:
+- It is not possible to implement any kind of custom loading functionality into
+  Urho3D::ResourceCache. It is not inheritable, and it does not provide any way
+  to insert custom loaders in other ways. The only thing we can currently do is
+  wrap GetResource in Lua, and copy the files into a temporary file structure
+  before calling the actual GetResource.
+