Fewer connections to unittest db.
Generate better queries for empty collections.
Re-enable Null/Not Null constraints on refs/cols in query builder.
Prevent classes being added to the FROM list without being joined to anything.
Initial tests for null/not null references and collections.
Parially complete code to make NULL/NOT NULL constraints work with outer joins.
remove mine manager
fix eclipse config
Merge branch 'oauth2-for-beta' of https://github.com/alexkalderimis/intermine into emma
compilation error fixes
checkstyle
Merge branch 'beta' into emma
checkstyle fixes for bio-core
Merge branch 'emma' of github.com:intermine/intermine into emma
Checkstyle
Bug fix
checkstyle enabled for model project
Merge branch 'emma' of github.com:intermine/intermine into emma
Warnings
checkstyle fixes