rearranged the unwtar command
    * Made progress messages more suitable for display in Central.
    * Default name for curl files (CURL_CONFIG_FILE_NAME) is now : Download-Thread.
    * Numbering on actions progress messages.
     * Made progress messages more suitable for display in Central.
    * Improved help texts.
    * New help topic 'defaults' will display default variables and their values.
    * Added variables PUBLIC_KEY_FILE, PRIVATE_KEY_FILE to defaults file InstlAdmin.yaml.
    * Copy now sorts the install_items_by_target_folder list.
    * Copy instructions are performed from top folder down.
* actions output messages changed to    pre-install step" "post-install step",  "pre-copy step", "post-copy step"
* During copy all target folders are created before any other action, so to avoid dependency order problems such as creating links between folders
* Typo
instl version 0.9.8 - merged form branch shai