Change the component loading. Editor broken

This PR mainly fix #61 .
It also resolve or help #24, #38, #60  , #64  

# Loading components and sub-components 
fix #61 
There are now 4 libraries : 
- component.oz 
Manage a component. The creation of a component is done with a record
- subcomponent.oz
Manage a subcomponent. The creation of a subcomponent is done with a record
- fractalide.oz
Manage the loading of a component. It look at the right place to found the .oz or .fbp file and create the corresponding component/subcomponent.
- fbpParser.oz 
Is used by fractalide.oz to read a .fbp file.

For loading a component, the process is now : 
```
declare
% Loading the main library
[Fractalide] = {Module.link ["./lib/fractalide.ozf"]} 
% Loading a component 
Disp = {Fractalide.load aDispName display}
```
As discused in the issue, the type is the only information needed.

# The new parser
The new parser fix #24. It's much more robust and clean.
It also fixes #38. Now the double-cote must be escaped : 
```
"create(text:\"button\")" -> in b(QTk/button)
```

# Component creation
The feature "description" is now mandatory to create a component.
It's the first step for #60
The features "name" and "type" are no more needed.

# The QTk card creation
Fix #64 
The QTk card will no more block if the "out" output port is not connected (directly or not) to a QTk/window. The creation is more asynchronous.

# The editor is broken
All theses changes require update for the component, and the editor component are not yet ready. 

# The tests
The process to launch the tests : 
in the base repository
```
make
ozengine launcher.ozf tests/gates
ozengine launcher.ozf tests/widget
ozengine launcher.ozf tests/canvas
ozengine launcher.ozf tests/dnd
```