Update image.php

Fix Errors
Update opencart.sql

Correct finnish zone names
https://github.com/opencart/opencart/issues/1865
https://github.com/opencart/opencart/issues/1881
Fixed button lang var
Fix for: https://opencart.atlassian.net/browse/OC-1878
Typo fix.
Fix for module image resizing from setting var.
Missing ";" at recurring language file
Merge pull request #1883 from devtsit/patch-16

Missing ";" at recurring language file
Fixed frequency form.

REF: #1882
Merge branch 'master' of https://github.com/opencart/opencart
Same fix for trial frequency option

REF: #1882
Merge pull request #1876 from skithund/patch-1

Update opencart.sql
Marketing Tracking doesn't count orders
https://github.com/opencart/opencart/issues/1869
Merge branch 'master' of https://github.com/opencart/opencart
Merge pull request #1886 from devtsit/patch-17

Marketing Tracking doesn't count orders
more language files update
Merge branch 'master' of https://github.com/opencart/opencart