devel: released 27.0

devel: released 26.0

devel: released 25.0

devel: 24.0 released

improvement: lms-payments.php: phone numer support for phone call inv… (

#516)

* improvement: lms-payments.php: phone numer support for phone call invoice positions

new numbered release

preparation for stable 1.11.21 release

updated ChangeLog with 1.11.19 entry

don't show not resolved ticket count where there are no such tickets

Merge pull request #402 from jarecky/master

radiosector could have 360 degree width; add default prodid on invoices