Merge pull request #77 from kevinushey/master

Fixes to Rcpp.package.skeleton
Add installation instructions.
fixed typo in DESCRIPTION, finally added README test from DESCRIPTION and edited/expanded
Merge branch 'master' of github.com:RcppCore/Rcpp
another tweak to README
expand on hadley's instructions and mention OSX Mavericks.
updated and expanded the Rcpp-FAQ vignette
Merge branch 'master' of github.com:RcppCore/Rcpp
mention RStudio page in FAQ 1.2, minor edit to README
another tweak
typo
more GitHub references
Merge branch 'master' of github.com:RcppCore/Rcpp
add missing curly brace
un mention mavericks and leave the link to the faq of CRAN released Rcpp.
added StretchyList
added StretchyList::(push_front,push_back,get)
version bump
added StretchyList unit tests
prepare handling of named and unnamed objects in StretchyList::push_*