v323-beta2

This is second beta of next Kupfer release.
Bring bugfixes and some minor new features.

Changes

• New features:

  • For grouping leaves (like hosts, contacts) add "copy to clipboard"
    action for each slot (email, adress, etc). Close: #169
  • After launch some action for leave next time this action get some
    bonus that make it higher on the list. Also this action get (smaller)
    bonus for each same type of leaves.
  • URL-s can be opened with selected application ("Open with..." action)

• Fix:

  • Fix "mark as default" action broken in beta1. Close: #170
  • Add some missing icons (stock_person, stock_mail)
  • Strip whitespaces from url-s when calling "show url"
  • Do not decorate leaves in third panel as there is no way to "enter" to
    it.

• Plugins:

  • New:

    • textutils: various tools that convert, format and generate text
      content (i.e. generate random strings, convert case, encode base64,
      format json and xml).
    • librewolf: load bookmarks from Librewolf web browser

  • Updated:

    • ssh_hosts: load and use host name from ssh .config file; update
      icons
    • libvirt: fix icons
    • some plugins now report error (import error) when required command or
      application is missing in system.

• Dev:

  • Simplify caching icons/gicons
  • Cache KupferObject repr value
  • Fix types
  • Colors in console output.