IRIS VESUVIO demo 3 7 18

Changes to mention

New homing modes for the McLennan, constant velocity move and zero
- When can we test this homing behaviour on VESUVIO?
Improve Motion Set Points
- Raise error on invalid setpoints, in position only when within tolerance of set point
Add PID table to triton
Galil homing routines now use the same acceleration as normal moves
MK3Chopper communication reconnect (without memory leak)
Julabo improvements, setting sensor control on setpoint (external/internal)
PyDev Console keeps history across sessions
Allow option to either add to existing plot or create a new plot when right clicking a block
E4 updates
Fix synoptic greyed out on startup bug
NICOS improvements, output in UI, start/stop/resume script, view queue
Added column sorting on most tables in the GUI.
TPG300 and JulaboFP50 OPI graphs update on heartbeat, updated TPG300 layout
Eurotherm OPI: Prevent autofocus on toggle ramp button
Display units in log plotter perspective.
Fix disconnected monitor blocks

Format values the same way on the web dashboard as the GUI.
Eurotherm sensors 2+ no longer has needless scrollbars.
DAE Run information tab, Period Duration now shows correct value.
Correct sort key in DAE detector diagnostics.
Make web links perspective use web browser (fixes crash on disconnected network).
Added Ctrl+C to interrupt a script in the scripting perspective.