WIP: Add some test for BoardGenerator, change some method in BoardGenerator from the reason of imposible mocking private method
Correct a board generator - generateBoard()
Merge branch 'Issue#37' of https://github.com/wszib-kolo/sapper into Issue#37
basic save options. not tested. waiting for Greg to complete menu
Merge branch 'Issue_#57' of https://github.com/wszib-kolo/sapper into Issue#57
Checking Greg's work.
branch update after Greg's commits

Merge branch 'Issue_#57' of https://github.com/wszib-kolo/sapper into Issue#57
update

Merge branch 'Issue_#57' of https://github.com/wszib-kolo/sapper into Issue#57
save works but problems with loading game
saving file: added option of selecting file name, file extension is added automatically
some minor changes
Added loading file with option of file selection. Throws exception (does not work properly)
adjusting Bridge, CounterGui and SapperGui to match save and load code
merging from Issue_#57
SapperGui BoardAndCounter and Counter update to match changes in Save
Update after code review. Ready to merge.
changes in save and load test class
Add logger to check some parts of code, change logger frm board to static variable
Delete .project
Changed a behaviour the window options
Add Save Load functionality - ready to users test