Add ability to define introductions without focusing on elements + fix IE8 issue in programmatic version
Merge branch 'master' of https://github.com/usablica/intro.js
Alter changelog + add v0.8.0 release note
Change position of _direction propery
Small fix: simplify expression
Merge remote-tracking branch 'remotes/usablica-original/master'

Conflicts:
	README.md
	example/index.html
	intro.js
	introjs.css
Merge remote-tracking branch 'remotes/mikach/patch-1'

Conflicts:
	intro.js