    This file is part of extra500

    The extra500 is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    The extra500 is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with extra500.  If not, see <http://www.gnu.org/licenses/>.

      Author: Eric van den Berg
      Date: 2014-06-22

      Last change:      Eric van den Berg
      Date:             2019.10.07


Release 5.2.0: For flightgear version 2019.1 and up
* Checklists: fix size of dialog, engine start, remove 'bounce' bug, remove obsolete checklists
* Quick zoom view: shortcut for defining, added message
* Flaps system: complete re-write
* JSBsim: fixed summer


Release 5.1.0: For flightgear version 2018.3 and up
* Possibility to hide all human models
* several fixes to canvas dialogs
* Init menu

Release 5.0.0: use for flightgear version 2018.1 and up
* General: make it possible to startup at last shut-down, scalable Canvas dialogs
* Exterior: wing-fuselage fairing, placards, reposition pitot tube, wing fuel drain valves, better looking boots
* Interior: small improvements on panel, re-group cockpit for consistent ALS shadows, cockpit- and cabin placards
* Maintenance: update routemanager.nas to current FG standard (possible incompatability with previous FG versions)

Release 4.4.0: use for flightgear version 2016.1.x and up, released for 2017.3
* Failure dialog: reduce thrust when propeller is damaged or has icing on it
* Exterior: procedural nav and strobe lights, ALS landing light
* Interior: "MakeHuman" occupants, baggage, some small cosmatic changes to the panel
* General: added more catalog tags

Release 4.3.0: use for flightgear version 2016.1.x and up, released for 2017.1
* Failure dialog: Avionics and autopilot failures, possible delay on failure activation
* IFD: miscompares added (needed because of LH or RH failures of indications)
* Realism: possibility to experience the real boot time of the IFD-s.
* Change IFD indicated flightplan calculations to improved performance calculations, fuel used predictions
* Model: nicer panel vent -vents and -switches 
* Trim indicator: also indicates when in 'force' mode

Release 4.2.0: use for Flightgear version 2016.1.x and up
* Fuel-payload dialog: Better and easier performance calculations, fuel used predictions
* Failure Dialog: added de- and anti-ice failures, more fuel failures
* JSBsim: slowing some systems down
* IFD: TAS now behaves correctly when no power

Release 4.1.0: use for Flightgear version 2016.1.x and up
Includes 3.2.0 improvements

Release 4.0.0: use for Flightgear version 2016.1.x and up
* JSBsim: adjust to changed accelerometer implementation, get rid of nuisance warnings

Release 3.2.0: use for Flightgear version 3.6
* Environment: variable METAR scan range to improve performance
* Icing: activated now

Release 3.1.0: use for Flightgear version 3.6
* Environment: fixes and improvements for smooth weather
* New failure system and dialog, lots of failures implemented
* Controls: trim force indicator, 'force' pitch control mode
* IFD: small fixes and improvements  

Release 3.0.0: use for Flightgear version 3.6 and up
* ALS: inside shadow
* ALS: outside (volumetric) shadow
* ALS: shader rain, ice, fog
* cabin: no oxygenblackout on ground, deicing and fogging
* IFD: PFD horizon, map data

Release 2.2.0: use for Flightgear version 3.4 and up
* FMS: CDI indication
* IFD: fuel indication, map icons DME/NDB/TACAN
* Fuel: re-model fuel system
* cabin: oxygenblackout
* Model: propeller
* Electric: battery, load 
* Autopilot: overpower servos
* Environment: smooth weather
* Sound: positioning, volume, angle and headset
* model performance: disabling unused code

Release 2.1.0: use for Flightgear version 3.4 and up
* Autopilot: improved fail indication, flight director, fixes for broken functions, hotkeys
* IFD: flightplan improved, map fuel reserve indication, obs course indication
* ELT: improved and configureable msg
* Electric system: more accurate model, External power indication (V+A)
* Interior: door animation
* Model: fixes, propeller, possibility to put aircraft on Jacks
* Engine: reworked oil pressure and TOT spool-down model 

Release 2.0.0: use for Flightgear version 3.4 and up
* Route-manager/FMS: adjustments for bug fixes in Flightgear 3.4
* Model: screws in panel

Release 1.2.0: use only upto Flightgear version 3.2
* Model: new very realistic Landing Gear model, several small interior improvements
* User interface: elevator pilot force indication
* Aerodynamics: more realistic engine torque and slipstream effects 
* Avionics: bug fixes and some minor usability improvements
* Autopilot: some logic and bug fixes

Release 1.1.0
* Engine+fuel: realistic flame-out, fuel flow to collector compartment, anti ice influence on TOT, improved oil press and temp model
* Aerodynamics: flap performance, elevator-30deg-flaps authority improvement
* User interface: interactive checklists
* Sounds: corrected sounds for test, CWS and AP disc
* Model: added interior, yokes
* Avionics: IFD moving map, automatic NAV tuning, automatic NAV switching, magnetic variation fixes
* Autopilot: added OBS and fly vectors mode, significant improvement of coupled ILS performance

Release 1.0.0
Initial release
