increase touch sensitivity

Change-Id: I77e6aeca3667808e630dc142a2e561d3ddddef80
Fix a programmatic smooth scroll bug

Bug: smoothScrollToPosition() stops at child view of which height is
higher than list view itself.

Change-Id: I695ca9db4c706aa7f365967dd3916f9a01917346
Signed-off-by: Yongyi Li <yongyi.li.cn@gmail.com>
Slow down the glow animation due to color overlay for navbar. Not stock but a nice medium.