Network Cell Info Mini

* Active tabs selection (Settings -> Tabs)
NOTE: If you have low RAM free memory, you may deactivate tabs.
* New Settings (all in one place)
* Dual SIM notification icons
* Dual-SIM: update for SIM1 absent and single SIM mode selection.
* Signal refresh rate settings for Gauge tab (not for Map tab): 1, 2, 4 (battery friendly) sec.
* Device+SIM tab updated with more entries
* UI minor updates
* Project Fi updates (feedback is needed)
* IWLAN (WiFi-calling) support