Removed old persistance (with an a) dirs
Added the contents of files.md to blind.md since it really belongs there.
Adding presence/linux/index.md file
Adding presence/osx/index.md file
Chmod'ing files
Adding Windows index.md file
Adding Windows index.md file
Merge pull request #56 from pwnwiki/fix_linking

Removed old persistance (with an a) dirs