minor updates
Merge branch 'master' of github.com:pwolfram/dotfiles

* 'master' of github.com:pwolfram/dotfiles:
  obtained from dpkg --get-selections | awk '{print $1}' > ubuntuinstalled.idea
  fixed typos
  modified setup for installation on existing ubuntu machine
  Fix so that forks are appropriately parsed.
  changes to facilitate use of clusters, specifically transitioning from tcsh to a tmux shell which will be persistent to prevent auto logout-issues
  Keeping scripts as copy for simplicity for now because of hard link production on some clusters.
  similar to last
  added token and fixed rm -i issue
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