separated the callback to onSuccess and onFailure to avoid having to check if e is null each time.  made it abstract class instead of interface so that you only have to implement what you want.
updated README examples to reflect new callback style
Updated version name to 1.1 and version code to 2
fixed typo in maven dependency specification in Readme.
Updated Readme to refer to version v1.1
Added comment to indicate that reservoir size is defined in bytes in Readme.
old jar deletion code now takes jar name dynamically in clearJar task of Library/build.gradle
Changed maven artifact ID to reservoir instead of library
Converted callbacks back to interfaces instead of abstract classes.