Dialer: Proposal to amendment the look of dialer to fit kk

screen http://www.elelinux.se/elelinux/dialer_5.png

Change-Id: If393f0e2b57f3c55025dd029c86cb6a0bf24d4a3
Refresh adapter on resuming, so that call dates are updated.

When not doing this, the call dates might be wrong (they might e.g. say
'5 minutes ago' even though the call was 2 hours ago).

Change-Id: I44b797e7d09fcfe5ad1745e6b4d2cba2639c1650
JIRA:CYAN-1455
Enable contact photo preloading.

Avoids the delay occuring otherwise when checking into call details.

Change-Id: Ie48285bb03fde0434429079f141ec57dc75a65b9