TMDM-8055: Use of a single root folder which contains all MDM files. System property 'mdm.root' is derived from the 'mdmRootLocation' context param and defaults to 'WEB-INF'. It is expected to be overridden by user in context.xml to provide specific environment. Folder layout is of the form:
<mdmRootLocation>
  /--conf
      |-- mdm.conf
      |-- log4j.xml
      |-- datasources.xml
  /--log
      |-- mdm.log
      |-- mdm-match.log
      |-- jobs.log
  /-- data
      |-- ...
  /-- indexes
      |-- ...
  /--jobs
      /-- deploy
          |-- LoadProducts_0.1.zip
          |-- ...
      /-- work
          |-- ...
  /--images
      /-- upload
          |-- golf_shirt.jpg
          |-- ...