Updated extras.txt to reflect jar2lib improvements   * Removed reference to loci_tools.jar and artifact directory   * Added references to individual required jars   * Updated install path to remove unnecessary nesting   * Ensured Java command was available (jar2lib template doesn't include it by default)   * Corrected target name
Updated extras.txt to reflect jar2lib improvements
  * Removed reference to loci_tools.jar and artifact directory
  * Added references to individual required jars
  * Updated install path to remove unnecessary nesting
  * Ensured Java command was available (jar2lib template doesn't include it by default)
  * Corrected target name

scifio/scifio