Remapped key layout to support one octave increments. Makes playing pieces that makes extensive use of keys between old modifier boundaries MUCH easier.

Here are the modifier in octaves increased:
Ctrl+Shift: -2
Ctrl:       -1
(None):     0
Shift:      1
Alt:        2
Ctrl+Alt:   3
Shift+Alt:  4

Signed-off-by: Xiaomao Chen <xiaomao5@live.com>