Mozilla Stumbler v1.4.0

Battery saving features:

• automatically detect lack of movement, and pause scanning
• allow user to set min battery percent to stop scanning (previously this was fixed at 15%)

@santiago-hollmann: Metrics drawer UI: Upload and Settings to footer row
@keverets: GPS follow/centering button now indicates when actively following
@vinitraje: Update Hindi & Marathi translations
@piotrdrag Polish translation
@l-hedgehog: zh-CN translation

@rodmoreno:

• added green dot to map legend
• Spanish translation

@aishraj:

• Nepali translation
• build.gradle capture build host info

@cascheberg:

• fix log truncation
• WifiScanner fix state change, and mode where scan on with wifi off
• remove PrettyTime dependency
• fix SDK check for on/off switch
• CellScanner: always clear cells after flush
• Show unique number of networks in metrics
• Fix NPE startup crash with telephony manager
• Hide map zoom buttons when opening metrics sidebar
• translation fixes
• Only auto-scroll log if at bottom
• Large Text is on: show only GPS fixes label, hide visible