adium/adium

Today's lesson in not using Apple's private methods: somewhere between old/886f95f00431 and #9620 Apple changed their document icon setup process. Use the new methods and fix #9620.
(transplanted from 5cf365ce9352d25978ffd6073d3bc07573aba518)
#include "Base.xcconfig"
STRIP_INSTALLED_PRODUCT = NO
GCC_OPTIMIZATION_LEVEL = 0
COPY_PHASE_STRIP = NO
GCC_PREPROCESSOR_DEFINITIONS = DEBUG_BUILD
ONLY_ACTIVE_ARCH = YES
IBC_STRIP_NIBS = NO
IBC_FLATTEN_NIBS = NO