initial commit
remove generated files
update gitignore
add list of tools required to run application
hide Business Rules tab and Conditions tab (in Use Case form)
change events handler for QDialogButtonBox
fix format number
add format.writer.xml.write() function
fix designation of event's type
replace a number of functions that iterates over a list with one
function
modify handlers for boxButton
rename __fill to load (fix consistency among the names)
fix function name (rename laod to load)
move actor's type to model and visualization to form wrapper
support for Ctrl+C
support for business rules
rename buttonBox to boxButton
add clone function for Priority
fix cloning
small refactorization