Merging my live lanes with upstream version.
* UnpaidAR was missing echos
* "exit" button on login2 doesn't navigate away from page
* memlist mostly aligning whitespace
* pos2 has faster input retry cycle
* ajax-parser.js also has faster input retry cycle
* Database ships efsnetTokens to server
* DisplayLib alters termdisplaymsg so it pays attention to the
  cashier-facing-device setting
* WFC_Kicker adjusted for AMEX tender type
* DefaultReceiptDataFetch needs fully scoped table
* ReceiptLib store-credit slip shouldn't be emailed
* SQLManager bad arguments for sep()
* CheckTender blocked off wfc-specific behavior better
* QuickMenus revised CC terminal dropdown menu
Merge pull request #191 from CORE-POS/upstream-merge-2013-05-29

Merging my live lanes with upstream version.
Merge remote-tracking branch 'upstream/master'