Barrack spawn offset added (closes #88 and #116)

Closes #116 and #88

See merge request szt-ab-2022/group-01/tree-o!89

Clean up the code in Presentation.World (closes #146)

Closes #146

See merge request szt-ab-2022/group-01/tree-o!103

Run code cleanup in Presentation.World (closes #145)

Closes #145

See merge request szt-ab-2022/group-01/tree-o!102

Give attribution for the artists who created the sprites used in the game (closes #107)

Closes #107

See merge request szt-ab-2022/group-01/tree-o!99

Set the product and company name, add an icon for the game (closes #143)

Closes #143

See merge request szt-ab-2022/group-01/tree-o!101

Improve the simulation UI (closes #89)

Closes #89

See merge request szt-ab-2022/group-01/tree-o!100

Make the main menu look better (closes #144 and #113 and #41)

Closes #41, #113, and #144

See merge request szt-ab-2022/group-01/tree-o!98

fix possibly infinite loops in tests (closes #139)

Closes #139

See merge request szt-ab-2022/group-01/tree-o!97

Make the game world look better (closes #111 and #77)

Closes #77 and #111

See merge request szt-ab-2022/group-01/tree-o!96

Make the lasers look better (closes #141)

Closes #141

See merge request szt-ab-2022/group-01/tree-o!95

Make the castle health visible in any game phase (closes #101)

Closes #101

See merge request szt-ab-2022/group-01/tree-o!94