jotasync 0.3.0

OPT: Major UI improvements.
NEW: A history browser, tab number two, has been added.
NOTE: Users upgrading from an earlier version has to copy the file ~/.config/jotasync/jobs.json to ~/.config/jotasync/jotasync.profiles when the ‘server’ isn’t running. Existing history will be lost from the UI, but it’s there in the jobs.json. This was done in order to separate history from settings. I’m sorry for any inconvenience.