These are reminders for myself on how to do stuff in Blender.
The contents of an area is determined by the selected editor type.
Ctrl + q to quit.
Keyboard shortcuts depend on the Area your mouse is over!
a toggles selection of everything.
Shift + a opens "Add" menu.
n toggles Properties.
t toggles Tool Shelf.
Ctrl + Left,
Ctrl + Right changes Screen Layout.
Ctrl + Up,
Ctrl + Down toggles maximising Area.
Alt + a plays animation.
Alt + Shift + a plays in reverse.
Shift + Left jumps to first frame.
Shift + Right jumps to last frame.
g (grab) to move.
r to rotate.
s to scale.