transition effect on shutdown
Added shutdown message in title. I18n update.
added in dependency checking
initial move of 'Show transaction details' to button bar
added context sensitive help to Transactions tab
simplified shutdown user feedback
 show transaction details button now enabled/ disabled according to if row is selected.
initialisation of button enable
tidied up focus traversal
start of export transactions work
initial I18n of export transactions terms
export file of transctions now working
improvements to unicode rendering. I18n update.
I18n refresh
added test of ExportTransactionsSubmitAction
added context sensitive help to Preferences tab
Converted to Junit4
Made final fields static
Use System.arraycopy for efficiency
Avoid creating new Boolean (Boolean.valueOf is better)