Fixed by a2950e2dfa

It should be capable to work with ROOT6 and ROOT7 classes

Simplify range selection - exclude button

When significant changes are performed, model send to server and
updated. If changes has effect on other parameters, changed model
version send to the client back.

This is can be implemented on the server side, make no big sense now
Cleanup code

Instead of separate dialog parameters show in extra tab.
Every time new model is selected correspondent parameters are fetched.
Also when fit is performed, result parameters are shown

Replace all by Grid, one still can have responsive changes if one wants
them

Such tab can be invisible by default, but enabled later.

Also use Grid layout with individual spanning parameters

Should be much easier to handle

Avoid use of ui5 Form pattern - it does not allow to use really compact
design and does not allow to use any kind of layout inside.

View is not that flexible (as Form pattern only promise) but much more
predictable!

Introduce special class for function info - it can include more info
than abstract combo-box item

Now more clear member names are used and function name use direct for
selection

* Use gDirectory and fHist provided to fitpanel. 
* Use string identifiers with hsitogram names
* Extract list of available TF1 objects, let sort them (do it by UI5?)
* Use std::string_literals where it make scence
* Use more compact c++11 intializer for large vectors

Remove some unused members
Make clear logic for InputData processing

Apply clang-format to all sources
Simplify LinkDef

This is not a way how model object can be defined

suppress compiler warnings

makes much more compact code

Convert them into string on client side and check afterwards if
parameter was changed when apply back to server

Simplify was how table colums in parameter editor is organized