- some fixme's for missing A<->W conversion

Fixed HEADER_InsertItemA and HEADER_InsertItemW null pointer checking
to handle wide character strings properly.  Fix of our previous patch
for null pointer checking.

the ILockBytes interface based on an HGLOBAL.

Fixed LISTVIEW_GetItemChanges() to perform a more complete comparison
between lpItem and lpLVItem.  Now compares the pszText string of the
lpItem and lpLVItem structs.  Fixes a bug where the old and new item
have the same attributes but their text differs and GetItemChanges()
compares them as equal.

property sheet.

locks the window, calls the real wndproc, unlocks the window.

TranslateMDISysAccel16.

defined to (empty) for compilers that do not have it.

- shortcuts alignment working again

normal dlls. This enables the use of the resource API.

Fixed messed up indentation.

heap. Not enabled by default, change #if in include/debugger.h to use
this (the heap allocator is very slow).