Fix picklist values for non admin users
Add activity type pick list when follow event

This patch is for the default Calendar module
add activitytype picklist when select follow event

This patch is for Calendar4You module
Fix multipicklist in ListView and DetailView
GetReferenceAutocomplete Webservice method: helper method to support autocomplete fields: permits different search functionality on reference/capture fields
Support for date field in advanced conditions of filters on custom block: Thanks Stefan!
https://vtiger.stefanwarnat.de/uncategorized/use-datefields-from-custom-blocks-in-customview-standard-conditions/
related to issue #144: eliminate warnings
permit filter and reporing on empty dates using the dollar sign
fix incorrect selected option in notifications template
compile customer portal access email against contact. code cleanup
(correct) fix for: portal email is sent with no html formatting and without compiling contact fields
Merge remote-tracking branch 'upstream/master'