Move deprecated modules into lib/deprecated/

This gives clear indication what modules are now deprecated and reduce clutter
in non-deprecated module directories.

compiler/installer.ini

@@ -115,6 +115,9 @@ Files: "lib/posix/*.nim"
 Files: "lib/js/*.nim"
 Files: "lib/packages/docutils/*.nim"
 
+Files: "lib/deprecated/core/*.nim"
+Files: "lib/deprecated/pure/*.nim"
+Files: "lib/deprecated/pure/*.cfg"
 
 [Other]
 Files: "examples/*.nim"

config/nim.cfg

@@ -27,6 +27,8 @@ mips.linux.gcc.linkerexe = "mips-openwrt-linux-gcc"
   cs:partial
 @end
 
+path="$lib/deprecated/core"
+path="$lib/deprecated/pure"
 path="$lib/pure/collections"
 path="$lib/pure/concurrency"
 path="$lib/impure"