use DoubleVectorPrinter in RDeparse, fix bug in DoubleVectorPrinter that can lead to unnecessary spaces in 1e23 formats

provide specializations for AccessFieldSpecial and UpdateFieldSpecial that can handle a changing “names” attribute

Merge pull request #464 in G/fastr from ~MICK.JORDAN_ORACLE.COM/fastr:feature/internal-pkgtest to master

* commit '74e951b8':
  destroy timed-out sub-processes
  pkgtest: move test timeout setting to test.package.R
  pkgtest: support vignettes and install Suggests
  pylint fix; remove old vignette setup code
  pkgtest: document issue with Suggests/vignettes
  pkgtest: revert to R_LIBS_USER owing to testInstalledPackage (sometimes) undefining R_LIBS
  pkgtest: create test files as tar.gz
  copyright fix
  fixes for rpart: implement La_rs, stats Approx/ApproxTest

Merge pull request #470 in G/fastr from ~MICK.JORDAN_ORACLE.COM/fastr:bugfix/rpath-recpkgs to master

* commit '7e76306a':
  rpath rceommended packages on Darwin

* commit '0bde347b':
  move junit functionality from mx into mx.fastr

* commit 'b993cfdb':
  fix limitation in RASTUtils.createCall causing Matrix package to fail when codetools installed

* commit 'e2de7ca3':
  fix recommended package install order in release mode
  unit tests recommended packages: install codetools last to avoid Matrix bug
  changes for R-3.3.2