WIP allow for degrees of freedom using Double

...descartes/dql/core/engine/interpreter/SLAInterpreter.java

...e/src/tools/descartes/dql/core/engine/util/DoFHelper.java

...ols/descartes/dql/core/engine/util/QueryParserHelper.java

...ls/descartes/dql/lang/ui/AbstractDescartesQLUiModule.java

...ui/contentassist/AbstractDescartesQLProposalProvider.java

...es/dql/lang/ui/contentassist/antlr/DescartesQLParser.java

...ang/ui/contentassist/antlr/internal/InternalDescartesQL.g

...ntentassist/antlr/internal/InternalDescartesQLParser.java

...ools.descartes.dql.lang/model/generated/DescartesQL.ecore

...s.descartes.dql.lang/model/generated/DescartesQL.genmodel

...ang/src-gen/tools/descartes/dql/lang/DescartesQL.xtextbin

...ls/descartes/dql/lang/descartesQL/DescartesQLFactory.java

...ls/descartes/dql/lang/descartesQL/DescartesQLPackage.java

...tes/dql/lang/descartesQL/impl/DescartesQLFactoryImpl.java

...tes/dql/lang/descartesQL/impl/DescartesQLPackageImpl.java

.../dql/lang/descartesQL/util/DescartesQLAdapterFactory.java

...escartes/dql/lang/descartesQL/util/DescartesQLSwitch.java

...rtes/dql/lang/parser/antlr/internal/InternalDescartesQL.g

.../lang/parser/antlr/internal/InternalDescartesQLLexer.java

...lang/parser/antlr/internal/InternalDescartesQLParser.java