headers: Update/fix PDCurses
examples: Add missing ScreenLock/UnLock() in FreeType2 example

The code uses ScreenPtr() to write to the gfxlib buffer directly, so it
should lock properly too, to be safe.

http://www.freebasic.net/forum/viewtopic.php?f=6&t=21100
examples: Add missing #inclib to DLL example
headers: New GD graphics library header, for libgd 2.1.0 preview
FB-linux-musl: Update to binutils 2.23.1
FB-linux-musl: Build new libGD development version instead of old release
FB-win32: Add build script for various libs, gdb, binutils