Fix some names

src/qir/QIRTypes.java

src/qir/ast/QIRNode.java

src/qir/ast/data/QIRRcons.java

src/qir/ast/data/QIRRdestr.java

src/qir/ast/data/QIRRecord.java

src/qir/ast/data/QIRRnil.java

src/qir/ast/operator/QIRJoin.java

src/qir/driver/IQIRVisitor.java

src/qir/driver/QIRDriver.java

src/qir/driver/QIRFreeVarsVisitor.java

src/qir/driver/QIRGenericTranslationVisitor.java

src/qir/driver/QIRGreedyNormalizationVisitor.java

src/qir/driver/QIRTranslator.java

src/qir/driver/hbase/HBaseDriver.java

src/qir/driver/hbase/QIRHBaseQueryVisitor.java

src/qir/driver/hbase/QIRHBaseValueVisitor.java

src/qir/driver/sql/QIRHiveStringVisitor.java

src/qir/driver/sql/QIRSQLStringVisitor.java

src/qir/driver/sql/SQLStringDriver.java