Create Account classes and unit tests.
Create imported transaction class.
Adds GZip file support
Create initial GnuCash reader
Create unit test for GnuCash XML reader
Adds importing of transactions
Add list view for the imported transactions
Correct typo in class comment header
Add support for re-importing from the last session's source.
Correct BudgetSourceWizard const reference parameter
Add automatic re-import on source file change.
Add recognition of GZip'd GnuCash files.
Merge branch 'ledger' into qt-rewrite