Merge pull request #19 from ehuelsmann/master

Fix buttons appearing when entering new invoices
Merge pull request #21 from ehuelsmann/master

Load Dojo scripts in the frameset to pre-load for the relevant pages.
Merge pull request #22 from ehuelsmann/master

Missing AR_tax/AP_tax account link fix & miscelaneous changes.
Merge pull request #24 from ehuelsmann/master

Partially fix (aging) statement printing (first part).
Merge pull request #26 from ehuelsmann/master

Fixes for #1083 and #1090.
Merge pull request #29 from ehuelsmann/master

Fix #1102 and #1098: fix AR/AP tax included and overwritten notes.
Merge pull request #30 from ehuelsmann/master

Fix #1096: double message in es_AR.po translation.
1.3/1.4 fix for internal server errors using cash/payment
Merge pull request #35 from einhverfr/master

1.3/1.4 fix for internal server errors using cash/payment
Merge pull request #4 from ledgersmb/master

Merge Chris's fix for Cash/Payments