2013-09-20: Fixed import issues indicated by BDR

git-svn-id: svn://r-forge.r-project.org/svnroot/memisc@48 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
2013-12-04:
  - fixes out-of-bound error and memory leak in 'pspp-portableStream-for-R.c'
    reported by Prof. Ripley.  Eliminated calls to non-exported functions from 'lattice'.
    Marked all example code of 'Simulate' as 'dontrun' to save time during package checks.

git-svn-id: svn://r-forge.r-project.org/svnroot/memisc@49 edb9625f-4e0d-4859-8d74-9fd3b1da38cb