Ported Braille Alphabets Activity in QML
Created BrailleChar and BrailleMap
Added current_alphabet function which returns current alphabet
braille_alphabets, fix copyright headers

Fix file naming to respect Qml convention.
braille_alphabet activity, minor code formating
braille_alphabets, major rework

Improved code and graphics.
Better layout, now scales well on different window ratio.
braille_alphabets, better BrailleChar.qml

Now BrailleChar.qml has the brailleChar property that represent
the text value of the char. It is possible to set the dots from
the char of set the char from the dots.
braille_alphabets, added missing win
braille_alphabets, added missing icon from the Gtk version.
braille_alphabets activity, extract the FirstScreen from Screen
braille_alphabets, added a url var to refer to our images
braille_alphabets, fix next question

Next question was doing a next level.
Give time for the user to see his answer before displaying
the next question
braille_alphabets, better font size
braille_alphabets, layout improvements.
braille_alphabets, added a message for translation
braille_alphabets, reworked the BrailleMap

Now it nows internally the char to display
Added a flicker to accept different screen ratio.