Organised buttons into classes to modularise code, minor UI improvements
Merge pull request #7 from Olyol95/Subgroup3

Organised buttons into classes to modularise code, minor UI improvements
Added Patrick's changes
Merge pull request #8 from Olyol95/Subgroup3

Added Patrick's changes
Commenting
Merge pull request #9 from Olyol95/Subgroup3

Commenting
changed background colour
Merge pull request #11 from Olyol95/Subgroup3

changed background colour
subgroup1