FreenetIS

refs #1129: Repair and speed-up of counting subtotal of transfers. Changes in tranfers controller and tranfer model.

Refs #1133: Fix calculation with string in file::shortened_size_to:_bytes that caused failure of system settings.

Merge branch 'issue-1128_develop' into 'develop'

Issue #1128: Repair typo in scheduler [develop]

See merge request freenetis/freenetis!86

Fixes #1127: Repair of bug on showing former members [develop]

refs #1128: Repair typo in scheduler.

Fixes #1124: Creating roaming link is not working on PHP 7.3

Conflicts:
application/controllers/links.php

Merge branch 'issue-1112_develop' into 'develop'

Issue #1112: Modification of member owner for secondary users [develop].

See merge request freenetis/freenetis!81

Refs #1112: Modification of member owner for secondary users.

Conflicts:
application/controllers/users.php

Merge branch 'issue-1121_develop' into 'develop'

Issue #1121: Fix slow loading of mapy.cz if offline [develop]

See merge request freenetis/freenetis!78

Fixes #1121: Fix slow loading of mapy.cz if Loader not fetched (e.g. slow connection or offline). The mapy.cz API is loaded asynchronously now. The map loading is waiting in a loop until it is loaded.