restored legacy copyright year support in addCopyright tool
restored legacy copyright year support in addCopyright tool

Change-Id: I0f9b5bbae4143d1140e56e00ee326e3d2fa45373
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/28990
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Reviewed-by: Christian R. Geddes <f397583a9caa8163a06ad1128784fb67413f2fe6@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@us.ibm.com>
Reviewed-by: Stephen M. Cprek <449c81c8ca240ee26e6e5e8e94a7cb83f7b02ee8@us.ibm.com>
Reviewed-by: Daniel M. Crowell <912029ca9254ac7b5854e56910561d682e1fa2d0@us.ibm.com>

Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot