remove explicit paths for the ASM libraries; add com.oracle.truffle.r.release project; remove FASTR distribution; add FASTR_RELEASE distribution; add custom projects for native/release

Merge pull request #261 in G/fastr from ~ADAM.WELC_ORACLE.COM/fastr:feature/builtins_sprint to master

* commit '064df965':
  Regenerated tests.
  Rewritten parameter casts for the identical builtin.
  Rewritten parameter casts for the lapply builtin.
  Rewritten parameter casts for iconv builtins.
  Rewritten parameter casts for the grep family of builtins.

* commit 'bab7cf55':
  cast pipeline fixes from review feedback

* commit 'ea40bf0f':
  enable passing tests
  work on as.vector
  deprecate some methods in CastBuilder that are dangerous
  fix complex formatting (zprecr function)
  enable passing tests
  work on Paste

Merge pull request #262 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:feature/various_perf to master

* commit 'f6acaf67':
  report work in "order"
  dynamically grow array in intersect
  proper type system for CheckTypeNode
  various improvements in extract/replace
  value profile in ReadVariableNode

* commit '7fb9c73e':
  CharSXPWrapper public for alternate implementations

Merge pull request #257 in G/fastr from ~STEPAN.SINDELAR_ORACLE.COM/fastr:bugfix/use_abstractVectorValue to master

* commit '31eb72fe':
  Style fix: use abstractVectorValue in Lengths builtin

* commit '594e97ac':
  fix for -R:Rdebug=xxx where xxx is a deserialized function; fix crash when Q executed from browser in startup