#8742 basic always-on implementation with blocking vpn if no profile is configured

.../aidl/de/blinkt/openvpn/core/IOpenVPNServiceInternal.aidl

...rc/main/java/de/blinkt/openvpn/core/ConnectionStatus.java

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

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

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

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

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

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

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

...c/main/java/se/leap/bitmaskclient/eip/VoidVpnService.java

.../java/se/leap/bitmaskclient/userstatus/SessionDialog.java

.../se/leap/bitmaskclient/userstatus/UserStatusFragment.java

app/src/main/res/values/strings.xml