Fixed double-rendering issue

Signed-off-by: Wenwei Cai <stanley.w.cai@gmail.com>
Fixed listview append issue

Signed-off-by: Wenwei Cai <stanley.w.cai@gmail.com>
UI improvement

Signed-off-by: Wenwei Cai <stanley.w.cai@gmail.com>
Set header and footer toolbar position 'fixed'

Signed-off-by: Wenwei Cai <stanley.w.cai@gmail.com>
Update theme to theme-b

Signed-off-by: Wenwei Cai <stanley.w.cai@gmail.com>
Phonegap enabling

Signed-off-by: Wenwei Cai <stanley.w.cai@gmail.com>