rilmodem: Relax DNS validity check, unnecessary for MMS
gril: Fix 0 signal strength in MTK modems

MTK modems were returning wrongly 0 for the signal strength when that
figure was actually unknown.
unit: Add test for 0 signal strength case
rilmodem: Consider tech when parsing strength

Consider radio technology when parsing signal strength.
Merge pull request #109 from alfonsosanchezbeato/fix-0-strength

Fix no signal strength bars for MTK modem
unit: Adapt gril unsolicited test to relaxed DNS validity check
gril: Return error when failing to connect

Return error when failing to connect to socket. The previous behaviour
was exiting the process.
mtk: Retry when failing to connect to rild

Retry when failing to connect to rild to be able to recover if rild is
not ready.
ril: Retry when failing to connect to rild

Retry when failing to connect to rild to be able to recover if rild is
not ready.
Merge pull request #110 from marttipiirainen/mms_dns

rilmodem: Relax DNS validity check, unnecessary for MMS
Merge pull request #111 from alfonsosanchezbeato/fix-fail-connect

Retry when failing to connect to rild
ril: Remove unneeded check when setting SIM status

ofono_sim_inserted_notify() already checks if there is a SIM state
change, so there is no need to do the same in the driver.
mtk: Remove unneeded check when setting SIM status

ofono_sim_inserted_notify() already checks if there is a SIM state
change, so there is no need to do the same in the driver.
rilmodem: Create SimManager even when no SIM

When there is no SIM, SimManager is still created with Present property
set to zero.
Merge pull request #113 from alfonsosanchezbeato/show-no-sim-present

Show Present property in SimManager even in the no-SIM case
plugins: add max retry logic for rild connect

This change adds a maximum retry count for connecting to
rild.  After ~30s, rild will give up trying to connect.
This changes the current behavior which will retry forever.
plugins: add max retry logic for mtk rild connect

This change adds a maximum retry count for connecting to
rild.  After ~30s, rild will give up trying to connect.
This changes the current behavior which will retry forever.
Merge pull request #112 from tonyespy/rild-retry-limit

Merged.