fix tails logo size
Update tails logo img tag

the image has been resized, no need to have width and height anymore.
Merge branch 'master' into staging
Update and rename README to README.md

- Applying markdown format and some prettifying.
- Adding a note to arma's instruction.
Update README.md
Update README.md

Add how to contribute
fix tails logo size

resizing png to 75x75.
Update README.md

wrapping the text at 79 chars per line
Update README.md

typo in one of the examples