Addresses #293

Checkpoint in implementation.
Vincenzo left for the night.

git-svn-id: file:///svn/tokudb@1829 c7de825b-a66e-492c-adef-691d508d4ae1

src/lock_tree/locktree.h

@@ -13,6 +13,10 @@ typedef struct {
     BOOL                duplicates;
     toku_range_tree*    mainread;
     toku_range_tree*    borderwrite;
+    //TODO: Remove this tree and have one per transaction.
+    toku_range_tree*    selfread;
+    //TODO: Remove this tree and have one per transaction.
+    toku_range_tree*    selfwrite;
     toku_range*         buf;
     unsigned            buflen;
     BOOL                panicked;