fixes issue #1777

Closes #1777

See merge request !898

fix for issue #1579

See merge request !899

#1579 fix bug that prevented adding the *Organization Name* (reference to account) when creating a ticket from a workflow

#1777 fixes bug that copied empty field contents for non-reference fields when target and source module are the same.

#1777 fixes bug that generated empty reference fields for records created via workflow when target and source module are the same

Fixes #408: PHP composer support.

See merge request vtiger/vtigercrm!896

Fire event when lead conversion modal has been displayed

See merge request vtiger/vtigercrm!892

#1772 Fix height modal (Convert lead)

See merge request vtiger/vtigercrm!891

Fix date comparison bug to get reminders

See merge request vtiger/vtigercrm!890