* commit '84b2ac54':
  add RAbstractAtomicVector interface

Merge pull request #496 in G/fastr from ~MARTIN.ENTLICHER_ORACLE.COM/fastr:FastRDebugTest_NEWAPIs to master

* commit '6cbe543e':
  Updates after rebasing to testMetaObjects.

* commit '53812e38':
  generated expected output messages
  Proper "internal generic" lookup for cbind/rbind

* commit 'a326107b':
  implement some RFFI UpCalls using Truffle

Merge pull request #643 in G/fastr from ~STEPAN.SINDELAR_ORACLE.COM/fastr:feature/cast-pipelines-graphics to master

* commit '0ee514fb':
  Graphics externals converted to cast pipelines
  CastNodeBuilder for creating ad-hoc cast nodes

* commit '9a7c25f7':
  rffi: DLL class refactored to use Nodes

* commit '7f646c0f':
  Implemented TruffleRLanguage.findMetaObject() and findSourceLocation().

* commit 'd3cb26c3':
  fix zlib version check

Merge pull request #627 in G/fastr from ~STEPAN.SINDELAR_ORACLE.COM/fastr:feature/complete-s3-dispatch to master

* commit '7715ef5b':
  GetBaseEnvFrameNode for efficient access to base env's frame

Merge pull request #635 in G/fastr from ~STEPAN.SINDELAR_ORACLE.COM/fastr:feature/refactor-rcall-explicit to master

* commit '08542690':
  Refactor common code into RExplicitCallNode

Merge pull request #639 in G/fastr from ~ZBYNEK.SLAJCHRT_ORACLE.COM/fastr:redundantMustNotBeNullRemoval to master

* commit '80053f1f':
  Redundant mustNotBeNull step removed from cast pipelines

Merge pull request #637 in G/fastr from ~ZBYNEK.SLAJCHRT_ORACLE.COM/fastr:nullAndMissingFix to master

* commit 'c1135411':
  Predef.typeName() “slow-path” method added
  Cast pipeline filters provide predefined results for NULL and MISSING arguments

Merge pull request #636 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:feature/complete-s3-dispatch to master

* commit '14540176':
  small cleanup and @CompilationFinal in REnvironment
  Internal and group generic dispatch honors __S3MethodsTable__

Merge pull request #633 in G/fastr from ~STEPAN.SINDELAR_ORACLE.COM/fastr:feature/seq_along_dispatch to master

* commit '54458ffa':
  seq_along dispatches to length for objects with class

Merge pull request #634 in G/fastr from ~ZBYNEK.SLAJCHRT_ORACLE.COM/fastr:extBuiltinsCasts3 to master

* commit 'ab4cc527':
  CP added to Rprof and R_getGeneric. CP fixed in Floor, Ceiling, Trunk and Round.

Merge pull request #625 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:feature/cached_format_cleanup to master

* commit 'f67b43b3':
  fix formatting of @Cached arguments

Merge pull request #630 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:feature/names_lookup_hashing to master

* commit 'f73e1019':
  use hashing for large name lookups, create Collections class

* commit '56f5b397':
  simplify RAbstractVector (remove setNA) and PositionCheckSubsetNode, incMod with profile