Removed doc directory

doc/design.txt

@@ -1,66 +0,0 @@
-chunk_cache
-bandstore
-dedupestore => dds
-init command
-
-
-TODO
-----
-* Remote stores
-* Stat and chunk cache
-
-DONE
-----
-* Encryption
-* Hard links
-* cache redesign
-* Symbolic links
-* Owner, group, mode, ctime, mtime
-
-cache = Cache(path,)
-
-for file in files:
-    chunks = chunkify(file)
-    for chunk in chunkify(file):
-        if chunk.sha in cache:
-    	    cache.chunk_inc_ref(chunk)
-		else:
-		    fs.add_chunk(chunk)
-		
-	entry = Entry
-    archive.add(entry)
-Repository layout
------------------
-REPO/README
-REPO/VERSION
-REPO/tid = x
-REPO/data/
-REPO/txn-active/tid
-REPO/txn-active/add/<PATH>/
-REPO/txn-active/delete/<PATH>/
-REPO/txn-active/tid
-REPO/txn-commit/add/<PATH>/
-REPO/txn-commit/delete/<PATH>/
-
-REPO/archives/<ARCHIVENAME>
-REPO/blocks/XX/YY/XYZ
-
-txn_completed/add/<PATH>/
-txn_completed/delete/<PATH>/
-
-API
----
-"""
-class Cache(object):
-
-	def chunk_inc_ref(self, chunk):
-		self.chunk_refcount.setdefault(chunk.sha, 0)
-		self.chunk_refcount[chunk.sha] += 1
-
-	def chunk_dec_ref(self, chunk):
-		assert self.chunk_refcount.get(chunk.sha, 0) > 0
-		self.chunk_refcount[chunk.sha] -= 1
-		if self.chunk_refcount[chunk.sha] == 0:
-			self.fs.delete_chunk(self.sha)
-
-txn = txn_begin()