libqdutils: Use -Wno-attributes

Change-Id: I25f19595ed29434938861a5462edc27e8d8ef717
libcopybit: fix for narrowing conversion in C++11.

Change-Id: Ic73a3c94b5142d35e0912f98acaa3d0c98163e0a

Conflicts:

	libcopybit/copybit_c2d.cpp