Log Message:
Update gnucash to 2.6.11:

Between 2.6.10 and 2.6.11, the following bugfixes were accomplished:

    Bug 680104 - Scheduled Tranaction formula not calculated when variables are \ 
mixed with constants.
    Bug 756335 - When importing, date selection causes exit crash.
    Bug 759570 - Postponing a repeating SX skips over the instance.
    Bug 759674 - GNUCash crashes when importing invoices or bills with delimited \ 
import.
    Bug 759859 - Reconcilation does not convert transactions' currency to the \ 
main one making reconcilation impossible.
    Bug 760052 - missing flag translatable in Custom Report.
    Bug 760079 - Translations comments: Remove translatable flag from \ 
placeholder labels in dialog date-close.
    Bug 760398 - Cancelling the creation of a duplicate bill or invoice doesn't \ 
reset the invoice number counter

Some other fixes not associated with reported bugs:

    Add Account.AssignLots to python bindings.
    Allow panel that provides information about TXF categories to be adjusted by \ 
the user in the Income Tax Information dialog under Edit->Tax Report Options.
    Minor improvement to information provided about TXF categories in the Income \ 
Tax Information dialog under Edit->Tax Report Options.

Translations Updated: German.