Add skeleton of for DataStore
Added pugixml
Enable pugixml support for wchar_t
Rename class Storage to DataStore, include boost, and create constructor and destructor
Add pugixml as submodule instead of a part of DataStore
Changes to vcxproj and sln files, change include directory in datastore.h for pugixml
Remove git submodule, fix lint warnings
Modify cpplint to ignore pugixml
Add pugixml submodule (my fork, not the real one)
Merge branch upstream/master into datastore

Conflicts:
	You.sln
Fix project configuration (the sln file)
Fix lint warnings
Restore sln file to initial configuration
Fix sln file inconsistencies
Remove unnecessary lexical cast, change visibility of FILE_PATH to private
Change constructor and destructor to default, implement saveData and loadData
Modify documentation comments to triple slash instead of double slash
Fix project reference to pugixml
Fix sln looking for pugixml at the wrong directory
Fix vcxproj including project in the wrong path