Update Manager.php (#295)

Using strings that contain `/`weren't being processed due to this regex. Using sub-directories will force us to review the regex in the future.

Author: ttomdewit

src/Manager.php

@@ -164,7 +164,7 @@ public function findTranslations( $path = null )
             "[\'\"]" .                           // Match " or '
             '(' .                                // Start a new group to match:
             '[a-zA-Z0-9_-]+' .               // Must start with group
-            "([.|\/](?! )[^\1)]+)+" .             // Be followed by one or more items/keys
+            "([.](?! )[^\1)]+)+" .             // Be followed by one or more items/keys
             ')' .                                // Close group
             "[\'\"]" .                           // Closing quote
             "[\),]";                            // Close parentheses or new parameter