Remove ucore_ prefix from headers and source files

src/saxhash.c

@@ -0,0 +1,15 @@
+#include "ucore/hash.h"
+
+uint32_t
+uc_sax_hash(void *key, size_t len)
+{
+   unsigned char *p = key;
+   unsigned h = 0;
+   size_t i;
+ 
+   for ( i = 0; i < len; i++ )
+     h ^= ( h << 5 ) + ( h >> 2 ) + p[i];
+ 
+   return h;
+}
+