Package docs-kdesktop: Information

- Version fix

- Add info about support *.docx in app libreOffice
  (thx Nickolay Rogalskiy)
- add 11 step to "install-guide" This step is about setting up
  password for LUKS partition(s) (thx Nickolay Rogalskiy)
- desktop-software/internet/im: telepathy replaces kopete
- desktop-software/multimedia/kde: remove Dragonplayer
- install-guide: added section for RAID, LVM and LUSK setup
- install-guide: update installation from USB flash
- support/index.txt: add more Community/Company links
  (thx Artem Zolochevskiy)
- whatis-alt: added text about platform (p7)
- update screenshots
- spellcheck

- update dvd- usb-burn section