Added fpm to velocity combo box
Changes to variometer to support fpm and additional
settings.
Minor changes to airspeed indicator
Added rudimentary DI. Text is in the wrong direction
at present, but it works!
DI works nicely. It wobbles though, as everything 
is written for a particular angle. I'll look to 
make it much less complicated at a later date, 
and hopefully sort out the wobble.
Added an attitude indicator. It is functional, but
still needs a lot of work. It uses pre-defined
QPixmaps, which works well, and which I'll back 
port to the DI.
Refactored everything into QPixmaps. Still needs
lots of cosmetic work, but is functional.
Functional and reasonably good looking AI.
The 6-pack is complete!

Added a turn coordinator.
1.  The 2 minute level is taken by experiment 
    from the XP C172, it needs to be generalized.
2. The ball thing looks ugly. Works though.
3. I'm not sure what dataref to use for the 
   turn: sim/cockpit2/gauges/indicators/roll_electric_deg_pilot
	gives the closest match to the C172, but loses
	correspondence at high bank angles.
Changes to allow panel colour to change. Panelwindow
can use custom colour, and instruments updated to
have black background, not from panel background.
Panel and gauges used to use different ini files. 
I've combined them into one, and changed the format
from system default to an ini file called 
"extpanel_guages.ini" in the same path as the 
executable. This will be to allow import and 
export of ini files, so that several cockpits may
be saved on disk.
Added an icon to the application.
Added limit to slip ball

Slip ball was unlimited, so would appear in very
odd places. Now limited to 7.5 degrees (whatever
that means).
Fixes to ini file format

Changed the save statements to the ini file to 
save strings rather than floats, so that the files
are hand editable, instead of containing @Variant.

Also removed inappropriate edit options from DI.
Added a rev counter

This turned out to need changes in Extplane-plugin:
the plugin didn't return arrays of float, and the
engine revs are such an array. As a result, a fair
bit of ugliness was required in extplaneclient to
add the data string for arrays, and then to process
it in engine_rpm. But it works!
Added bezels to the instruments

Added a bezel, created from a photo and edited in
Gimp. Then added code to read it into all the 
instruments and put it around them. It isn't 
elegant as it goes outside the 200x200 box defined
for instruments, which means it leaves droppings 
when moved on the panel display. But it looks 
better than no bezel, and works fine in normal 
operation.
Updated readme with very simple instructions for use
Made some needleinstrument properties editable

Made changes to NeedleInstrument that can be called
from the subclass to get some of the NeedleInstrument
properties to appear in the property editor.
Changed position of status message on panel
Changed size of font on instruments

Also parameterized number font size on 
NeedleInstrument, which is called from engine_rpm
to set suitable sizes. Still need to do the same 
in altimeter