Merge pull request #505 from einhverfr/master

More batch payment fixes
Merge pull request #515 from einhverfr/master

fixing perl errors when adding clients/vendors/employees, 1231
Merge pull request #517 from einhverfr/master

Fixing 1267
Merge pull request #519 from einhverfr/master

Fixing 1268
Merge pull request #522 from einhverfr/master

fix for 1271
Merge pull request #523 from einhverfr/master

Fixing 1274
Merge pull request #526 from einhverfr/master

Much progress, now to an error to select ps or pdf
Merge pull request #528 from einhverfr/master

Fixing batch printing, now working
Merge pull request #529 from einhverfr/master

fixing bug 1275
Merge pull request #533 from einhverfr/master

fixing position of returns checkbox on the screen
Merge pull request #535 from einhverfr/master

fixing 1278, multi-language templates not stored in db
initial frameless modifications, not working yet.

--HG--
rename : UI/frameset.html => UI/main.html
Merge pull request #537 from einhverfr/master

unifying contacts code, removing employee workflow script.
Merge pull request #539 from einhverfr/master

Adding number of empty lines as config option, for invoices, transaction...
Merge pull request #542 from einhverfr/master

updating .pot
Merge pull request #544 from einhverfr/master

Fixing 1280, credit/debit invoices flipping signs
Merge pull request #547 from einhverfr/master

Adding gapless ar setting, for gapless invoice numbering
Merge pull request #549 from einhverfr/master

Fixing 1285 and 1287
Merge pull request #550 from einhverfr/master

Fixing 1283
Merge pull request #552 from einhverfr/master

fixing bug 1284