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added PHP version 5.6 to Travis CI test
added content of composer for color output in console
added image use of tool
Merge pull request #28 from grogy/travis-PHP56

added PHP version 5.6 to Travis CI test
Merge pull request #29 from grogy/dummy-readme

Dummy readme
change example of use tool (with error)
Merge pull request #30 from grogy/update-readme

change example of use tool (with error)
Moved error formatting to new class ErrorFormatter
Refactored Manager and moved some functionality to new ParallelLint class
Merge branch 'master' of github.com:JakubOnderka/PHP-Parallel-Lint

Conflicts:
	src/Error.php
Result class is imutable