Created SaveWriter
Deleted Save. Moved content of Save to Save.SaveWriter
Created save for players
Finished savePlayer method
Finished saveMap method
Created SaveReader class
Adaptation SaveWriter to read xml files
small correction of SaveWriter
Added some method in SaveReader
Finished serialization
Merge branch 'master' into Serialization

Conflicts:
	Plevian/Game.cs
Merge branch 'master' into Serialization

Conflicts:
	Plevian/Save.cs
Merged from master
Merge branch 'Serialization'