Added Angular pseudo classes to colon sniff and a way to configure it (…

…#40)

* Added Angular pseudo classes to colon sniff and a way to configure it

* Codestyle

LESS has an :extend() Pseudo-class (#37)

* LESS has an :extend() Pseudo-class

* array merge instead of two lines

Codestyle (#35)

* Codestyle

* Also run the codestyle checks

* Bumped phpcs to 5.3

* Made sure to use the latest squizlabs/php_codesniffer due to fix

* Added seperate build for phpcs instead of doing it combined

* Build phpcs with php 7.1

Removed accidental commits of two phar files (#33)

Fixed issue where a false positive occured for colors (#32)

* Fixed issue where a false positive occured for colors

* Codestyle

* Line length

Support sf4 (#30)

Open bracket is allowed (#28)

Extended sniff to make sure there is one space before a curly (#27)

* Extended sniff to make sure there is one space before a curly

* Clarified message

Fixed issue where there was no return in statement (#26)

Fixed curly sniff to also add violations when multi-line curly incorr…

…ect (#25)