Update modules
Merge branch 'master' of github.com:scicalculator/dotvim

* 'master' of github.com:scicalculator/dotvim:
  Update modules
  Small fixes to vimrc
  remove trailing whitespace
  Add 'BroadcastTmuxCwd' function for relevant tmux updating
  add 'automcmdgit --git-dir=/Users/derekt/.rcfiles/.git/modules/vim hash-object -w --stdin > /var/folders/jt/_w9x7yrx2y78nc6qx2mkfgcm0000gp/T/vEc6ngT/21' to remove old auto commands when reloading