progress on tools namespace load

.hgignore

...fle.r.engine/src/com/oracle/truffle/r/engine/REngine.java

.../com/oracle/truffle/r/nodes/builtin/RBuiltinPackages.java

...in/src/com/oracle/truffle/r/nodes/builtin/base/IConv.java

...truffle/r/nodes/builtin/base/InfixEmulationFunctions.java

.../com/oracle/truffle/r/nodes/builtin/base/R/New-Internal.R

...time/src/com/oracle/truffle/r/runtime/RBuiltinLookup.java

....r.runtime/src/com/oracle/truffle/r/runtime/RContext.java

....r.runtime/src/com/oracle/truffle/r/runtime/RDeparse.java