Moved example to separate project module.
Added ant build.xml to create jar files with only the necessary api files.
Merge branch 'master' of https://github.com/ffleandro/countly-sdk-android into ffleandro-master
Version update
Migrating to SharedPreferences and adding screen density to metrics list
Small adjustments

Empty density key when it's unknown, warning-free event segmentation parsing
Fixing negative session duration

Just a guess. It might be because time in Android is being adjusted substantially while the app is running.
Build files
Reformatting code
Update README.md