Merge branch 'implement_tethering_for_rooted_devices' into 'master'

app/src/main/AndroidManifest.xml

app/src/main/java/de/blinkt/openvpn/core/OpenVPNService.java

app/src/main/java/se/leap/bitmaskclient/BitmaskApp.java

app/src/main/java/se/leap/bitmaskclient/Constants.java

...src/main/java/se/leap/bitmaskclient/EipSetupObserver.java

...e/leap/bitmaskclient/drawer/NavigationDrawerFragment.java

app/src/main/java/se/leap/bitmaskclient/eip/EIP.java

app/src/main/java/se/leap/bitmaskclient/eip/EipCommand.java

...java/se/leap/bitmaskclient/firewall/FirewallCallback.java

.../java/se/leap/bitmaskclient/firewall/FirewallManager.java

...va/se/leap/bitmaskclient/firewall/SetupTetheringTask.java

...leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java

...se/leap/bitmaskclient/firewall/ShutdownTetheringTask.java

...se/leap/bitmaskclient/firewall/StartIPv6FirewallTask.java

...java/se/leap/bitmaskclient/fragments/TetheringDialog.java

...p/bitmaskclient/tethering/TetheringBroadcastReceiver.java

.../se/leap/bitmaskclient/tethering/TetheringObservable.java

.../java/se/leap/bitmaskclient/tethering/TetheringState.java

...e/leap/bitmaskclient/tethering/TetheringStateManager.java

...ava/se/leap/bitmaskclient/tethering/WifiHotspotState.java