JDO uses field names in queries

Fixes #1023
Enable customizable defaultConfiguration in APT
Added JDOConfiguration with JDO specific annotation configuration
Added support for unquoted keywords after dot
Add serializer test case for unquoted keywords after dot
Merge pull request #1024 from querydsl/i1023

JDO uses field names in queries
Add keyword quoting test suite
Use the supportsUnquotedReservedWordsAsIdentifier field directly
Merge pull request #1029 from querydsl/quote_reserved_keywords

Quote reserved keywords
Merge branch 'master' into i1022