[RELEASE] Released version 1.5.8

Released version 1.5.8 with the following main changes :
    - BUG/MAJOR: buffer: check the space left is enough or not when input data in a buffer is wrapped
    - BUG/BUILD: revert accidental change in the makefile from latest SSL fix
diff --git a/VERDATE b/VERDATE
index 6e1a526..3953fe5 100644
--- a/VERDATE
+++ b/VERDATE
@@ -1,2 +1,2 @@
 $Format:%ci$
-2014/10/30
+2014/10/31