In User Preferences Dialog make sure that default ledger is not automatically set to current ledger but only if user selects it in drop down list.
Make Search button the default button on Extract Find Screen so user can enter search criteria and press enter to perform search.
Improve Ledger Settings Dialog in regards to Number of Forward Posting Periods
merge from trunk
merge from lp:~wbrowa/openpetraorg/dev_0003082_Set_Ledger