[rilmodem] Fix call disconnect reason "network"

Signed-off-by: Martti Piirainen <martti.piirainen@oss.tieto.com>
Merge pull request #66 from marttipiirainen/callcause

[rilmodem] Fix call disconnect reason "network"
Merge pull request #67 from ptakalok/master

[rilmodem] Call forwarding indicator for MT call
parcel: printing bug fix
rilmodem: randomly broken ussd message fix
Merge pull request #68 from jpoutiai/master

ussd random failure fix
[rilmodem] "User busy" is not a network error
Merge pull request #69 from marttipiirainen/callcause

[rilmodem] "User busy" is not a network error
[rilmodem] Notify core always about GPRS connection changes

After this change ofono core will be always notified if the gprs
connection status is different than before. This enables faster
recovery when moving between network technologies.

Signed-off-by: Jussi Kangas <jussi.kangas@oss.tieto.com>
Merge pull request #70 from jkangas/master

Request for pulling more detailed informing of the packet data status in rilmodem to main branch
[rilmodem] Request network gprs state always when network state changes

Status needs to be always also asked regardless of the core attached
state. Otherwise temporary loss of the connection requires connman
API client to re-establish the connection regardless of the actual
modem state

Signed-off-by: Jussi Kangas <jussi.kangas@oss.tieto.com>
Merge pull request #71 from jkangas/master

Request for pulling the gprs state query in all network state change situations to main branch
[rilmodem] Fix oFono compiler warnings

Fix oFono compiler warnings as an enabler for
Definition-of-Done

Signed-off-by: Petri Takalokastari <petri.takalokastari@oss.tieto.com>
Merge branch 'warnings'