Changelog for v2.2.4

* bug #2682 DoctrineAnnotationIndentationFixer - fix handling nested annotations (edhgoose, julienfalque)

* bug #2700 Fix Doctrine Annotation end detection (julienfalque)

* bug #2715 OrderedImportsFixer - handle indented groups (pilgerone)

* bug #2732 HeaderCommentFixer - fix handling blank lines (s7b4)

* bug #2745 Fix Doctrine Annotation newlines (julienfalque)

* bug #2752 FixCommand - fix typo in warning message (mnapoli)

* bug #2757 GeckoPHPUnit is not dev dependency (keradus)

* bug #2759 Update gitattributes (SpacePossum)

* bug #2763 Fix describe command with PSR-0 fixer (julienfalque)

* bug #2768 Tokens::ensureWhitespaceAtIndex - clean up comment check, add check for T_OPEN (SpacePossum)

* bug #2783 Tokens::ensureWhitespaceAtIndex - Fix handling line endings (SpacePossum)

* minor #2663 Use colors for keywords in commands output (julienfalque, keradus)

* minor #2706 Update README (SpacePossum)

* minor #2714 README.rst - fix wrong value in example (mleko)

* minor #2721 Update phpstorm article link to a fresh blog post (valeryan)

* minor #2727 PHPUnit - use speedtrap (keradus)

* minor #2728 SelfUpdateCommand - verify that it's possible to replace current file (keradus)

* minor #2729 DescribeCommand - add decorated output test (julienfalque)

* minor #2731 BracesFixer - properly pass config in utest dataProvider (keradus)

* minor #2738 Upgrade tests to use new, namespaced PHPUnit TestCase class (keradus)

* minor #2743 Fixing example and description for GeneralPhpdocAnnotationRemoveFixer (kubawerlos)

* minor #2744 AbstractDoctrineAnnotationFixerTestCase - split fixers test cases (julienfalque)

* minor #2755 Fix compatibility with PHPUnit 5.4.x (keradus)

* minor #2758 Readme - improve CI integration guidelines (keradus)

* minor #2769 Psr0Fixer - remove duplicated example (julienfalque)

* minor #2775 NoExtraConsecutiveBlankLinesFixer - remove duplicate code sample. (SpacePossum)

* minor #2778 AutoReview - watch that code samples are unique (keradus)

* minor #2787 Add warnings about missing dom ext and require json ext (keradus)

* minor #2792 Use composer-require-checker (keradus)

* minor #2796 Update .gitattributes (SpacePossum)

* minor #2800 PhpdocTypesFixerTest - Fix typo in covers annotation (SpacePossum)