core, in the menu now the section highlight does follow the selection
money, fixed layout issue

The store area could wrap uncontrolled on 2 lines
fifteen, svg cleanup
Added guessnumber activity
Initial version with background and helicopter displayed

Conflicts:
	src/activities/activities.txt
Added Number guess position for the helicopter
Added helicopter placement in y
Adjustement on helicopter position
guessnumber, Adjustements on helico position when guessing number
guessnumber, Good helico positionning in Y
guessnumber, changed background to svg
guessnumber,adjusting background
guessnumber, Removed old png images
guessnumber, corrected text colors and qsTr stuff
guessnumber, added copyright headers

removed debug logs
better font color
better cave background image
core: File: add exists() method
core: add JsonParser helper object

... to factor out parsing json files and strings
imageid: initial port from the Gtk+ version

Ported as is. Without translations.

Next planned step: To make imageid use the words data from the lang
activity.
sudoku, better sudoku samples

The regular sudoku proposed was way too hard for children.
Use this online sudoku generator to create the new levels:
http://kjell.haxx.se/sudoku/
sudoku, minor layout issues

Better color for the value to enter
Now the bonus is on top of the grid