actualisation: Mac OS -> OS X
install-guide/boot: reorder boot options / add missing menus
alternative-install.txt: update of outdated link
alternative-install.txt: order of sources was changed to match real menu
alternative-install.txt: added screenshot boot.png
overall spellcheck

http://webmaster.yandex.ru/spellcheck.xml
Merge branch 'master' into simply-linux

Conflicts:
	admin-basics/documentation/index.txt
	admin-basics/terminal/basic/docs-linux_intro.txt
	install-guide/alternative-install.txt
	install-guide/boot.txt
Merge branch 'simply-linux' of git://github.com/Roganik/docs_alt into simply-linux
adjust release string
7.0-alt1

- initial 7 version
add 11 step to "install-guide"
This step is about setting up password for LUKS partition(s)
Merge branch 'master' into simply-linux
substitute screenshot from merge.
add "include" with new file from merge.
Add "[[luks_set_pass]]" to top of the file.
Change hyperlink comment.
Merge branch 'master' into simply-linux
add link to "Setting up password to luks partitions" at "Installing steps"