Renamed Character -> CharacterData in the accountserver
Converted the Character class into a component

A CharacterData was created as a proxy class in order to allow using the
old serialization method.
Converted Being into a Component

I did not really care too much about staying consistent with the use of
static_casts to Actors since they are only temporary anyway until Actor
is a component too.
Moved Actor into an Component

This was the final step to remove the hierachy with Entity on the top.
Removed CharacterData member from CharacterComponent

It is only needed temporarily while serializing and deserializing.
Removed static member definitions that are no longer needed

The requirement for having these definitions was relaxed in the C++11
standard. In short, they are not needed anymore for static const
integral types.

Details:
http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#454