Update p5-GD to 1.30, fixing PR 10565 by Damon Brodie. Now works again

Update p5-GD to 1.30, fixing PR 10565 by Damon Brodie.  Now works again
with our current gd package.

Changes include:
 - now you can create GD::Image objects directly from image DATA
 - reformatted documentation
 - internal release
 - fixed a bad regression test
 - updated for compatibility with libgd 1.8.3
 - WBMP support
 - turned Makefile.PL into a multiple-choice quiz
 - turned libgd patchfile into a perl script
 - updated for compatibility with libgd 1.8.1
 - JPEG support
 - the newFromXXX() functions now accept pathnames
 - patchfile for building libgd as a shared library
 - improvements to the Makefile to help with compilation
 - added more help in compiling and installing to docs
 - added some more libraries to link in, might help unresolved symbol
   problems