Added button struct.
Cleaned up struct button.
Added void wasClicked();.
Made wasClicked(); take two floats.
Merge branch 'master' of https://github.com/powderblock/Menu
Added some push_backs for buttons.
Made render have a for loop, in which I render buttons vector values.
Fixed render function not rendering buttons bug.
Added two buttons.
Fixed draw function drawing twice as big geometry.