Update README.md

updated original link
fix #42
Merge branch 'master' of github.com:cfenollosa/bashblog
Change help to reflect possibility of editing md files
do not iterate over ls output where possible + protection on 'name with dashes becoming options'
Merge pull request #43 from nonas/master

do not iterate over ls output where possible
Fixed extra './' strings bug introduced in last commit
Fixed extra './' strings bug introduced in last commit
Update README.md
Added demo image to README
Typos
Fixed additional characters in all_tags.html
Update README.md