Updating travis and scrutinizer files to use external code coverage

.scrutinizer.yml

@@ -1,3 +1,7 @@
+filter:
+    paths: [src/*]
+    excluded_paths: ["vendor/*", "examples/*"]
+
 before_commands:
     - "composer install --dev --prefer-source"
 
@@ -5,13 +9,13 @@ tools:
     external_code_coverage: true
     php_cpd:
         enabled: true
-        excluded_dirs: ["examples", "tests", "vendor"]
+        excluded_dirs: ["examples", "vendor"]
     php_cs_fixer:
         enabled: true
         config:
             level: all
         filter:
-            paths: ["src/*", "tests/*"]
+            paths: ["src/*""]
     php_loc:
         enabled: true
     php_mess_detector:
@@ -20,8 +24,8 @@ tools:
             paths: ["src/*"]
     php_pdepend:
         enabled: true
-        excluded_dirs: ["tests", "examples", "vendor"]
+        excluded_dirs: ["examples", "vendor"]
     php_analyzer:
         filter:
-            paths: ["src/*", "tests/*"]
+            paths: ["src/*"]
     sensiolabs_security_checker: true