libsaria: Added new library directory

I'm going to let everything expand across several directories.  It'll be
neater this way.

libsaria/sources/library/__init__.py

@@ -0,0 +1,2 @@
+# Bryan Schumaker (5 / 20 / 2011)
+

libsaria/sources/library/library.py

@@ -0,0 +1,10 @@
+# Bryan Schumaker (5 / 20 / 2011)
+
+import threading
+
+library_lock   = threading.Lock()
+lock_library   = library_lock.acquire
+unlock_library = library_lock.release
+
+# Map fileid(directory) -> dict()
+lib_dict = dict()