changed msgLong and msgShort to always find the mainLooper to display toasts
added error display for previously-silent error message
updated map pin icons, changed colours as per https://github.com/SecUpwN/Android-IMSI-Catcher-Detector/issues/166, added neighbouring cell info to map if available, added phone state listener to update the map when cell info changes
experimental feature to send logcat output via e-mail
Added threading to "send bug log"
Merge pull request #167 from tobykurien/master

Updates and Fixes for #166