[voicecall] Read the EFECC also if SIM goes straigth to READY

It is possible that ofono starts so that SIM is already in
in READY state when voicecall gets the information. In that case
without this fix core never asks the emergency numbers

Signed-off-by: Jussi Kangas <jussi.kangas@oss.tieto.com>
Merge pull request #167 from jkangas/next

Request for pulling EFECC reading when READY to main branch
[gprs] Create and provision MMS context if it doesn't exist

This is necessary to handle the upgrade scenario from an ofono version
that doesn't support MMS to the one that does.
Push forwarder plugin
[gril] Clean useless cast and improve handle_unsol_req readability
Merge pull request #170 from leinomii/next

Clean useless cast and improve handle_unsol_req readability
[rilmodem] Allow subscription of stk notifications only once

Allow subscription of stk notifications only when simkit agent registers
for first time. This implementation fixes double subscription problems
which may happen if simkit agent has exited and restarts subscribing to
stk commands again.

Signed-off-by: Petri Takalokastari <petri.takalokastari@oss.tieto.com>
Merge pull request #172 from ptakalok/subscribe

[rilmodem] Allow subscription of stk notifications only once
[rilmodem] Set current UI system language to environment variable

Read current terminal UI language from configuration file and set it as
environment variable for provide local information proactive command.

Signed-off-by: Petri Takalokastari <petri.takalokastari@oss.tieto.com>
Merge pull request #176 from ptakalok/language

[rilmodem] Set current UI system language to environment variable
Merge pull request #169 from monich/create-mms-context-after-upgrade

Create and provision MMS context if it doesn't exist
Merge pull request #171 from monich/push-forwarder-next

Push forwarder plugin
Merge remote-tracking branch 'jolla/next' into next