Allow risky fixers with allow_risky setting

By default PHP-CS-Fixer won’t run if you have "risky" rules in your config.

I added a setting named `allow_risky` to opt-in by adding the `--allow-risky=yes` param to the command.

SublimePhpCsFixer.py

@@ -174,6 +174,7 @@ def run(self, tmp_file):
     def create_cmd(self, tmp_file):
         config = self.config_param()
         rules = self.rules_param()
+        allow_risky = self.allow_risky_param()
 
         if rules and config:
             self.logger.console("rules and config are both present, rules prevails")
@@ -185,6 +186,7 @@ def create_cmd(self, tmp_file):
             "fix",
             rules,
             config,
+            allow_risky,
             "--using-cache=no",
             tmp_file,
         ]))
@@ -227,6 +229,12 @@ def rules_param(self):
 
         return None
 
+    def allow_risky_param(self):
+        if self.settings.get("allow_risky"):
+            return "--allow-risky=yes"
+
+        return None
+
     def get_configured_php_cs_fixer_path(self):
         path = self.settings.get_expanded('path')