Version.h should be

// These need to be macro's, as version.cpp's voodoo requires it
#define CLIENT_VERSION_MAJOR       2
#define CLIENT_VERSION_MINOR       0
#define CLIENT_VERSION_REVISION    0
#define CLIENT_VERSION_BUILD       0

not

#define CLIENT_VERSION_MAJOR       0
#define CLIENT_VERSION_MINOR       2
#define CLIENT_VERSION_REVISION    0
#define CLIENT_VERSION_BUILD       0

Your wallet wont let you roll back clients.