This reverts commit 459588d, reversing
changes made to 1a3633a.

    -Now the trigger(left/right) can be used as buttons too:
        -LT is space for now;
        -RT is backspace for now.
    -Changing some single button shortcuts to multi-button shortcuts:
        -Enable/disable was changed from select to select+start;
        -Speed cycle was changed from LB to LB+RB;
        -LB is previous page in browser;
        -RB is next page in browser;
        -SELECT is refresh in browser.
    -Adjusting the Dead_Zone value a little for worst controllers (like mine).
    -Changing the beeps feedback for vibration, cuz I hate beeps =P.