Adding code to check for an existing username.
Merge pull request #45 from amuramoto/master

Fixed cursor handling and added new sample apps
Merge pull request #46 from stevetraut/master

Adding code to check for an existing username.
usergrid-3114: commented out command to open folder in framework.sh build script.
Merge pull request #47 from apigee/usergrid-3114

usergrid-3114: commented out command to open folder in framework.sh buil...
usergrid-3114: modified build_release_zip.sh to accept '--build_server' as an alternative to the exact version (for Jenkins build).
Merge pull request #48 from apigee/usergrid-3114

usergrid-3114: modified build_release_zip.sh to accept '--build_server' ...
USERGRID-3135: bumped version string to 2.0.10.
USERGRID-3135: added new SDK option 'alwaysUploadCrashReports' that defaults to YES and checks related to whether or not to upload crash reports when the device is not part of sample.
Merge pull request #49 from apigee/usergrid-3135

Usergrid 3135
added destroy token on server to logout