[HTML5] Implementation of WebSockets (framework).

Added binding to android port for Html5 WebSockets.
Added external API for enabling\disabling from browser.
SSL Web Sockets are not implemented in the current version.

Change-Id: I8b7a42780410cb9f043e1f16570ea50db68e00ea
Wifi: Enable Ad-Hoc (IBSS) network configuration

This adds two public but hidden variables to WifiConfiguration: isIBSS and
frequency. These are used for configuring IBSS mode.

WifiConfigStore is exended to get and set these variables to wpa_supplicant
(via WifiNative).

Change-Id: Iab02c3d738c05c2de036350ea77b78789213e357