Made connection parameter option on SQLManager::exec_statement
Report fixes:
  Department Movement:
    Use MasterSuperDepts when appropriate to avoid duplicate rows
    if an item is in multiple super departments
  Non-Movement Report:
    Added "Delete" option back to the HTML version
  Product Movement:
    Special case for WFC RRR PLU that's treated like a tender
Merge branch 'master' of github.com:CORE-POS/IS4C
New base class for dealing with file uploads. Support for both
CSV and XLS is included. Zipped files also work. The preview option
lets the user indicate which columns contain particular data rather
than requiring a rigid format. CoopDealsUploadPage is a good
illustrative example. The subclass just has to process the actual
data and possibly provide some text instructions/messages.
Merge branch 'master' into pretty-cron