empty save and save as actions added
base file name saved in an attribute
map initialised before the generation
saveFileName added in the application
map saving implemented
indentation
start cell saved
remove the archive file if it already exist
method renamed
file containing the world name added in the save file
files deleted after saving
method to load the places from a text file
file type changed
map opening process implemented in the map module
signal added to be triggered when a map is opened
map opening feature plugged
startCell defined when a map is opened
the display of the start cell is moved in a separated method
when a map is opened, its places and start cells are displayed
Merge branch 'save-open-feature'