Fix old escapes for Markdown character used with the old Markdown filter. Kramdown doesn't require them.
Additionally use target=_blank for every external link.
Merge branch 'structure' into content.
Really heavy merge, as most of the tree structure has been changed.
Remove conflicts, as those files are not needed anymore.

Conflicts:
	content/livecd/changelog/1st_release.md
	content/livecd/changelog/2nd_release.md
	content/livecd/changelog/3rd_release.md
	content/livecd/changelog/4th_release.md
	content/livecd/changelog/5th_release.md
	content/livecd/changelog/6th_release.md
	content/livecd/changelog/7th_release.md
	content/livecd/changelog/8th_release.md
	content/livecd/changelog/9th_release.md
Work on RAID1 setup guide.
Keep working on RAID1 guide, lot of writing and display-fixing.
Keep working on RAID1 guide, add step 10, fix some display issues.
Fix some formatting for the RAID1 guide.
Add font styling.
Handle chrome rendering bug by using webkit-text-stroke.
Fix font-size to display in a human-lookable way.
Reduce fonts a little more, for a nicer display.
Refactor GenericDatesort into something much more meaningful.
Remove link_to_unless_current_withid from all pages.
Fix JS to use active class and kill ID usage to identify the active class.
Merge branch 'content' into structure.
Import content and font-size fixes.
Kill now unused LinkTo_Extended helper and its code.