#7 vcproj do not build

[Gino van den Bergen]

Currently the prebuilt VC project files do not compile, since daeLIBXMLPlugin.cpp depends on the new libxml2 version 2.7, whereas the project files link to the 2.6 version of libxml2. In order to fix this problem I've added the following lines to daeLIBXMLPlugin.cpp:

#if LIBXML_VERSION < 20700
#define XML_PARSE_HUGE 0
#endif

NB: I would rather use CMake instead of the included VC project files. However, I'm running into more severe issues with CMake for configuring a VC++ build, so this is the quick fix. Is someone working on the CMake config for Visual C++? If not, then please let me know and I might be able to help out.

[Gino van den Bergen]

Patch for use of libxml2 versions < 2.7