Typos and minor changes.

Just some typos etc.
Merge pull request #4 from pfaocle/patch-1

Typos and minor changes.
versious task improvements
added tasks for editing gh-pages site
updated readme
updated readme
updated readme
added credits to readme
updated readme
fixed robofile
updated ignores
robo.phar published
updated release process
robo.phar published
updated release process
robo.phar published
robo.phar published
updated release process
robo.phar published
updated release process