Merge pull request #8 from ajaybabar/updateQ

updated query resolved with cursor.moveLast function
Merge pull request #9 from ajaybabar/updateQ

Subject : Resloved update query crash
Added Swipe Grsture Navigation
Merge https://github.com/ninadchilap/batterycheck into swipe
Merge pull request #10 from aronnair/swipe

Added swipe gesture navigation
Time diff and percentage charged column added.