Fixed grammartical errors in READEME

Fixed more grammartical errors in the README.md file
Fix for Issue #1

Data can now be sent from the Map activity to the GetRouteData
service
Removed apk from list of tracked files

Removed the signed apk in the app directory from the list of tracked
files
Part of fix for issue #1

Moved code from the Progress class to an independent file for the
ProgressListener file. This was part of the changes made to handle
issue #1