Merge pull request #48 from daverix/gradle

Use Google Play services 3.2.65 in gradle to match what is used in Eclipse
issue 49: add columns to create script. also, hide hr column in details if no hr data exist
Merge pull request #50 from nebmo/master

issue 49: add columns to create script. also, hide hr column in details ...
Merge pull request #51 from daverix/gradle

Add plugin that automatically downloads dependencies from sdk manager in gradle builds
Update DBHelper.java

Use correct sqlite3 name for datatype, e.g integer not int.
Download required jars from the gradle build script and add documentation