remove ocpsoft PrettyTime dependency
updated android studio configuration
removed ACRA configuration from private properties as it's baked into the build.gradle file now.
Updated the PNG to include highlights to things you must set.
use Android quantity strings for plural forms
check for isScanAlwaysAvailable()
register for WifiManager.WIFI_STATE_CHANGED_ACTION
Merge pull request #1207 from crankycoder/features/1205-doc-updates

1205 - updated build documentation
Merge pull request #1218 from cascheberg/fix

@cascheberg WifiScanner fix state change, and mode where scan on with wifi off
fix SDK version check
merge
Merge pull request #1199 from cascheberg/feature-prettyprint

@cascheberg Remove ocpsoft PrettyTime dependency
Merge pull request #1220 from cascheberg/fix

@cascheberg Fix SDK version check for on/off switch
Upload/Settings row on drawer: needs visual separation #1212
Merge pull request #1223 from santiago-hollmann/fix/bottom-drawer-separator

Upload/Settings row on drawer: needs visual separation #1212
always clear cells after flush
listen for GPSScanner.SUBJECT_LOCATION_LOST
Merge pull request #1225 from cascheberg/fix

@cascheberg Always clear cells after flush
Merge pull request #1226 from cascheberg/fix-gps

@cascheberg Listen for GPSScanner.SUBJECT_LOCATION_LOST