Iris Calliope

added option to load widefield imaging data .wid to calliope core

adds to get_data_path.m by allowing search for stackIDs and search in archive paths

minor :: add parameters to open lastest stack for specific user :: add option for no parameters (will open latest stack in DB)

change of notifications and default parameters

checks for repository collisions between calliope and other folders

minor: improved initial loading time, changed check_registration handling

minor: fixed handling last-file as input (-1, -2 etc).

minor, added: switches to save and re-use loaded video files

minor: add calliope integration

loads/checks existing registrations within a specified date-range,