Compile Time Changes

class FavoriteCache

Return DibImage for the use of SaveFavoriteDialog and BrowseFavoriteDialog

Old: final public MemoryImage thumbnail(Url location) {
New: final public DibImage thumbnail(Url location) {

class FavoriteInfo

Change to store DibImage for the use of FavoriteCache, reducing GDI Object usage.

Old: public MemoryImage image;
New: public DibImage image;

favorites.cm

MemoryImage to be casted to DibImage and destroyed explicitly to reduce GDI Object usage.

Old: public MemoryImage favoriteThumbnail(Url location, bool progress=false) {
New: public DibImage favoriteThumbnail(Url location, bool progress=false) {