Adding SticklerCI to 10.0 branch

.stickler.yml

@@ -0,0 +1,10 @@
+---
+linters:
+	phpcs:
+			standard: 'dev/setup/codesniffer/ruleset.xml'
+			extensions: 'php'
+			tab_width: 4
+			fixer: true
+
+fixers:
+		enable: true

.travis.yml

@@ -304,7 +304,7 @@ script:
   set -e
   # Exclusions are defined in the ruleset.xml file
   #phpcs -s -n -p -d memory_limit=-1 --colors --tab-width=4 --standard=dev/setup/codesniffer/ruleset.xml --encoding=utf-8 .
-  phpcs -s -p -d memory_limit=-1 --extensions=php --colors --tab-width=4 --standard=dev/setup/codesniffer/ruleset.xml --encoding=utf-8 --runtime-set ignore_warnings_on_exit true .
+  if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then phpcs -s -p -d memory_limit=-1 --extensions=php --colors --tab-width=4 --standard=dev/setup/codesniffer/ruleset.xml --encoding=utf-8 --runtime-set ignore_warnings_on_exit true .; fi
   set +e
   echo