rename util::_internal::ValueReference => util::_internal::GenericReference
move ValuePtrBase into namespace data (from data::_internal)
move ValueBase into namespace util (from util::_internal)
Merge branch 'gmaster' into api_change
prevent big parts of the conversion system from being exported - reduces core library size by 10%
Merge remote-tracking branch 'origin/master' into api_change
Merge branch 'master' into api_change
adapt to upstream
Merge branch 'master' into api_change
there is no "visibility" in win32
Merge branch 'master' into api_change
Merge branch 'master' into api_change
Merge branch 'master' into api_change

Conflicts:
	lib/Core/DataStorage/chunk.hpp
	lib/Core/DataStorage/typeptr_base.hpp
Merge branch 'gmaster' into api_change

Conflicts:
	lib/Core/DataStorage/chunk.hpp
	lib/Core/DataStorage/typeptr_base.hpp
Merge commit 'release/0.4.7' into api_change
in the png-plugin use unsgined 8/16 bit when writing signed 8/16 bit images
print "Where <options> includes:" on a new line, its more man-friendly
in CoreUtils/type_converter factorize out some redundant stuff and improve conversion from string
astyle -r --suffix=none --formatted --options=design/astylerc *.{c,h}pp
in Image::convertToType only compute the scaling if an conversion is needed