Integrate Jexcel editor to Web Table app

See merge request !1207

Try to get the cropper options from previous device ID

testFunctionalRunMyDocSample was moved to erp5_run_my_doc (1d700b09) but it
was a mistake and should have been in erp5_user_tutorial where the Test Page
is defined.

- clone action added

Default printout (used for order, packing lists, invoices etc) was raising
error for deliveries with cells when the resource descrption was only \n

See merge request !1253

erp5_user_tutorial_ui_test: dependency on erp5_accounting was missing (account_module).

runUnitTest: log_directory is imported from Unit Tests and thus must be global to avoid pylint error.