Bug fixes and template caching reenabled

  - Added a new Template_MemoryMgmt_Utility to cache the metadata template.  Fixes bug reported by UF
  - Corrected issue with emailing when there is no cc list (SobekDigital WOLF-12)
  - Page names are now encoded in page turner (SobekDigital WOLF-10)
  - Corrected some more search-and-replace error typos
  - Added additional trace routing around item aggregation caching