Add query operators and TPC-H tests

...com/oracle/truffle/r/nodes/builtin/base/infix/Subset.java

...cle/truffle/r/nodes/builtin/query/RForceQueryBuiltin.java

...m/oracle/truffle/r/nodes/builtin/query/RTableBuiltin.java

...e.r.nodes/src/com/oracle/truffle/r/nodes/RASTBuilder.java

...com/oracle/truffle/r/nodes/qirinterface/QIRInterface.java

...cle/truffle/r/nodes/qirinterface/QIRTranslateVisitor.java

...acle.truffle.r.parser/src/com/oracle/truffle/r/parser/R.g

.../src/com/oracle/truffle/r/runtime/nodes/RCodeBuilder.java

...ffle.r.test/src/com/oracle/truffle/r/test/RTestSuite.java

com.oracle.truffle.r.test/tests/hbase/QueryGroup.R

com.oracle.truffle.r.test/tests/pgsql/QueryCallFunction.out

....truffle.r.test/tests/pgsql/QueryCallFunctionWithDeps.out

com.oracle.truffle.r.test/tests/pgsql/QueryGroup.R

com.oracle.truffle.r.test/tests/pgsql/QueryLambda.out

com.oracle.truffle.r.test/tests/tpch/QueryTPCH1.R

com.oracle.truffle.r.test/tests/tpch/QueryTPCH10.R

com.oracle.truffle.r.test/tests/tpch/QueryTPCH11.R

com.oracle.truffle.r.test/tests/tpch/QueryTPCH12.R

com.oracle.truffle.r.test/tests/tpch/QueryTPCH13.R

com.oracle.truffle.r.test/tests/tpch/QueryTPCH14.R