Google cal sync minimum date2

fix for #1614 for syncing calendar with start date -1 month

See merge request !825

for contacts and events with google

version updated to 740RC

See merge request !826

Styles changes copied to css for sync

See merge request !824

Package and version upgrade for 7.4.0 release.

See merge request !823

Fixes #1003 Migration script breaks vtlib module related lists

See merge request !821

es_mx translation improvments

See merge request !819

Fixes #1601 Logger deprecated warning

See merge request !820

#1107 fixes inline edit in list views of check inputs when language is other than english

See merge request !813

Issue 1581 -  I've added preg_replace (for strings only) and substr to available…

 I've added preg_replace (for strings only) and substr to available expressions in workflow

See merge request !814

#1611 add lock icons for internal/external comments in related comments tab and …

…check internal comments checkbox by default.

See merge request !816

Reference fields stylings has been addressed

See merge request !817

#1611 add lock icons for internal/external comments in related comments tab and check internal comments checkbox by default.

Issue 1581 -  I've added preg_replace (for strings only) and substr to available expressions in workflow

Logger migration error resolved

See merge request !812

Shared list deletion via DeleteAjax action file

See merge request !811

#1611 internal comments by default in tickets and visual cue to differentiate created comments

See merge request !810

Include unlink information. Refs #1610

Fixes issue raised in #1610.

See merge request !808

404 fix - path to jquery-ui updated

404 fixed after jquery-ui updated (1.11.3 -> 1.12.0) introduced in vtiger/vtigercrm@a95c10fc

See merge request !805

#1611 Make comments in HelpDesk module internal by default and add a visual cue to already created comments to know which is internal and which is not

Changes noticed missing during commit review for currency, reference and description field UI

See merge request !809

Fixes #1533 date format issue and #706 Privilege for admin user to delete shared list



See merge request !807