X11 build fixups

- fixed -Werror=misleading-indentation warning
- fixed -Werror=nonnull-compare warning on xll and QT builds
- PNG_LIBPNG_VER backward compatibily changes
- giflib backward compatibily changes
- resolved some undefs for X11 build
- silenced some small compile warnings in JGE Makefile
- added -DTIXML_USE_STL to remaining build types (PSP had it added)
- fixed x11 Boost incompatibility issue part of #548
- reworked PrecompiledHeader.h platforms used

projects/mtg/src/CardPrimitive.cpp

@@ -45,7 +45,7 @@ CardPrimitive::CardPrimitive(CardPrimitive * source)
 
     for (size_t i = 0; i < source->types.size(); ++i)
         types.push_back(source->types[i]);
-        colors = source->colors;
+    colors = source->colors;
     manaCost.copy(source->getManaCost());
     //reducedCost.copy(source->getReducedManaCost());
     //increasedCost.copy(source->getIncreasedManaCost());