Corrected package name

`-` should be avoided here
Added vendor prefix
Added license information
Removed unused USE statements
Added SensioLabs Insight badge
Fixed vendors version
move atoum to require-dev
Merge pull request #5 from fzerorubigd/master

Moved atoum to require-dev
Added missing information
Added missing license file
Merge remote-tracking branch 'upstream/master'

Conflicts:
	composer.json