Set to ignore aws-keys.properties file
Resolved javacc lifecycle mapping in eclipse as ignored (prevents
errors).
Fixed handling of quotes around the like operator (%)
Removed hard coded references to AWS credentials from test code and
configuration to a properties file.
Replaced multikey attributes with single multivalue attribute in case of
attribute length exceeding 1024 chars.
Removed unused classes and associated test
Moved comparator logic to AlphaNumericComparator
Added test for like query
Added javadoc for setters and fixed domainManagementPolicy type mismatch
in getter and setter
Modified configuration for multiple changes: 

* Removed handling of 'dev' property
* Set domain management policy to DROP_CREATE
Fixed issue with #getIdType(), this was hardcoded to return String.class
Fixed Research-1160: Nested entities are not initialized when there are
no nested attributes
Fixed PMD failures
Implemented improvement #Research-1164, implementation of @Persistent
annotation on fields.