Rewrite upgrade db versin 6 to 7
Merge branch 'hotfix/db_upgrade'
fix split type
fix split type
delete all splits of a transaction
delete empty transactions
delete all splits and transaction
FIX: add split will throw NPE
Update transaction view when split type changes
Merge branch 'fix-split-edit' into dev-split-edit
Set Transaction UID when set splitList
Merge pull request #248 from fefe982/dev-split-edit

FIX: add split will throw NPE
Merge pull request #245 from fefe982/dev-del-acct

Delete all splits of a transaction when the transaction is deleted (not just those from the referencing account)
delete splits when transaction is saved.
remove unused local variable
Merge pull request #251 from fefe982/dev-split-edit

Modify splits only when transaction is saved.
Merge pull request #237 from fefe982/dev-db-up67

Rewrite database upgrade (6 to 7) to remove dependence on old db format