Merge pull request #344 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:feature/update_truffle to master

* commit '710a1173':
  update to latest Truffle

* commit 'beee4721':
  Regenerated tests.
  Fixed copyright and checkstyle problems.
  Reintroduced temporarily commented out code.
  Fixed rbind/cbind generic dispatch for data frames.
  Fixes to changing the state of data being transferred to shared.
  Functions updating dimnames and names are generic.
  Set attributes using method that correctly handles vectors.
  Handle recursion for environments send through channels.
  Minor fix to updateform builtin.
  Minor fixes to the seq builtin.
  Optimized passing of attributes through channels for otherwise serialized data.
  Fixes to passing environments through channels.
  Fixes to passing promises through channels.
  Optimized transmission of promises through channels.
  Added one more missing stats function.

Merge pull request #340 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:feature/full_precision_sum to master

* commit '8bfe469e':
  use native code to implement "sum" with proper precision

Merge pull request #334 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:performance/visibility to master

* commit 'd13af296':
  remove all non-optimized visibility schemes
  pass visibility through RCaller object

Merge pull request #332 in G/fastr from ~MICK.JORDAN_ORACLE.COM/fastr:feature/apache-compress to master

* commit '52cdbbcb':
  backout internal RCompression changes
  implement bzip2 decompression internally

Merge pull request #336 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:bugfix/transfer_to_interpreter_debug to master

* commit 'f4279129':
  transferToInterpreter in DebugHandling

Merge pull request #335 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:performance/intrinsify_strings to master

* commit 'd252df6f':
  intern strings during deserialization

Merge pull request #338 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:bugfix/attriubte_copy_right to master

* commit '90fd7e8d':
  fix copying of attributes from right argument

Merge pull request #337 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:bugfix/order_collation to master

* commit '20ca48d6':
  fix use of collation in "order"

* commit 'e813ef20':
  cleanups

* commit 'dab41646':
  TypeConvert external: tests + few fixes

* commit '7c2090e1':
  WriteTable: fix raw formatting
  WriteTable: use RConnection instead of InputStream, fix double formatting + tests

* commit '47c286f0':
  Fix slow type check for external TruffleObjects.

* commit '2bfa2f3a':
  Always use /bin/sh in system as per GNU R; get visibility correct