[6953] Cleanup packed guids write/read code.

* Remove unused function writeGUID and move function readGUID (with some changes) to ByteBuffer class.
* Remove now empty Tools.cpp/Tools.h from project.

src/shared/ByteBuffer.h

@@ -241,6 +241,32 @@ class ByteBuffer
             _rpos += len;
         }
 
+        bool readPackGUID(uint64& guid)
+        {
+            if(rpos()+1 > size())
+                return false;
+
+            guid = 0;
+
+            uint8 guidmark=0;
+            (*this) >> guidmark;
+
+            for(int i=0;i<8;i++)
+            {
+                if(guidmark & (uint8(1) << i))
+                {
+                    if(rpos()+1 > size())
+                        return false;
+
+                    uint8 bit;
+                    (*this) >> bit;
+                    guid |= (uint64(bit) << (i*8));
+                }
+            }
+
+            return true;
+        }
+
         const uint8 *contents() const { return &_storage[0]; }
 
         size_t size() const { return _storage.size(); }

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "6952"
+ #define REVISION_NR "6953"
 #endif // __REVISION_NR_H__