Change how casting thread is started.

Add means of migrating devices to a new server URL.

Delete unused index model file.

Cascade from user org name to default org name to "Remotely".

Add active users indicator. Move sort.

Change chat input from textarea back to input.

Add explicit method for deleting logs.

Skip SMTP authentication if both username and password are empty.

Fix Linux desktop publish profile.

Merge pull request immense#348 from lucent-sea/mac-support

Mac support (agent only)