Implementation of Content Search & Replace

Implementation of Content Search & Replace. 
When applied licence following [1] other modules files added licence info

[1]  https://github.com/Adobe-Consulting-Services/acs-aem-tools/blob/master/CONTRIBUTING.md
Yup - this is another miss in our pom.xml; we didnt actually create the code in this file so we shouldnt apply our license to it.