move from the media section to the other section of the modules page listing where other imagemagick modules list now

#369263 Updated textarea description to point out windows style escaping.
- general updates to description, hopefully making it clearer.
- shifted permission check to the command line entry form.
- updated readme to reflect newer releases of ImageAPI, should no longer
  need to patch

commiting result of running deadwood and coder on drupal 5 module, plus minor changes in form help text