Refactor: All adapters should use convertView

Signed-off-by: Peter Cai <xqsx43cxy@126.com>
ImageActivity: Gradient ActionBar

Signed-off-by: Peter Cai <xqsx43cxy@126.com>
WeiboAdapter: Do not break the default recycler

Signed-off-by: Peter Cai <xqsx43cxy@126.com>
AndroidManifest: Version Bump

Signed-off-by: Peter Cai <xqsx43cxy@126.com>