Fix broken links

Broken links (18)

These links are dead and should be updated or removed.

http://cactuslab.com/imagemagick/

• Used in:
  • docs/links/index.html

http://developer.apple.com/tools/download/

• Used in:
  • docs/advanced-linux-installation/index.html

http://developer.gnome.org/rsvg/

• Used in:
  • docs/formats/index.html

http://forums.lavag.org/downloads-file90.html

• Used in:
  • docs/develop/index.html

http://magickwand.rubyforge.org/

• Used in:
  • docs/develop/index.html

http://quickmagick.rubyforge.org/quick_magick

• Used in:
  • docs/develop/index.html

http://rmagick.rubyforge.org/

• Used in:
  • docs/sitemap/index.html

http://tarr.uspto.gov/servlet/tarr?regser=serial&entry=78333969

• Used in:
  • docs/index.html

http://usage.imagemagick.org/transform/#canny

• Used in:
  • docs/index.html
  • docs/sitemap/index.html

http://www.digitalsanctum.com/2009/03/18/installing-imagemagick-from-source-on-ubuntu-804/

• Used in:
  • docs/links/index.html

http://www.ioncannon.net/php/61/php-imagemagick-magickwand-examples/

• Used in:
  • docs/links/index.html

http://www.ioncannon.net/php/75/how-to-compile-imagemagick-for-php-by-hand/

• Used in:
  • docs/links/index.html

http://www.lizardtech.com/downloads/downloads.php?dl=/download/files/lin/geoexpress_commandlineutils_linux.tgz

• Used in:
  • docs/formats/index.html

http://www.oreilly.com/www/centers/gff/formats/scitex/

• Used in:
  • docs/formats/index.html

http://www.sitepoint.com/article/dynamic-images-imagemagick

• Used in:
  • docs/links/index.html

https://download.imagemagick.org/archive/linux/SRPMS/ImageMagick.src.rpm

• Used in:
  • docs/advanced-linux-installation/index.html

https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads

• Used in:
  • docs/download/index.html

https://www.color.org/icc_specs2.html

• Used in:
  • docs/miff/index.html

Start by reviewing the 18 dead URLs in the referenced files under docs/, including docs/links/index.html, docs/formats/index.html, docs/develop/index.html, and the other listed pages. Determine whether each link has a current destination or should be removed, then verify that all listed broken links are updated or gone from the documentation.