Merge pull request #25 from ledgersmb/master

sync over master branch
Merge pull request #27 from ledgersmb/master

sync over master branch
Merge pull request #132 from einhverfr/master

Fixing saving and deleting bank accounts
Merge pull request #135 from einhverfr/master

Fixing business unit screen due to JS rewrite
Follow up to (dd0565e2f8e6) fixing up the logic identifying tax accounts
 when reversing manual taxes.
Merge pull request #136 from ehuelsmann/master

Follow-up to manual tax reversal
Merge pull request #22 from ledgersmb/master

bringing up to date