added some usage doc for phpstorm in combination with php-cs-fixer, added necessary screenshots, gitignore for .idea-dir
updated readme with new doc
fixed screenshots to be displayed immediately instead of using links
fixed listing index
fixed typo
decreased number of headings in coding standards doc
removed gitignore, adjusted listing in phpstorm doc
updated php-cs-fixer docs with easier brew install command
merged separate branch into this one as they are very much related
slight adjustment
fixed anchor issue