Various improvements to tmux, install and bash.

.bash_env.symlink

@@ -10,7 +10,10 @@ if [ -f $VIRTUALENVWRAPPER ]; then
 fi
 
 # Autoenv, cf. https://github.com/kennethreitz/autoenv.
-source `which activate.sh`
+AUTOENV=`which activate.sh`
+if [ -f $AUTOENV ]; then
+    source $AUTOENV
+fi
 
 ### Added by the Heroku Toolbelt
 export PATH="/usr/local/heroku/bin:$PATH"
@@ -27,7 +30,10 @@ if [ -d $HOME/Private/aws/hdemers ]; then
   source $HOME/Private/aws/hdemers/aws.sh
 fi
 
-export EC2_AMI=ami-8caa1ce4
+# ubuntu/images/hvm-ssd/ubuntu-trusty-14.04-amd64-server-20160406
+export EC2_AMI=ami-2b594f41
+export EC2_INSTANCE_TYPE=t2.nano
+export EC2_SECURITY_GROUP_IDS=sg-f909ec90
 
 export R_LIBS_USER=~/.R/library
 

.tmux.conf.symlink

@@ -1,6 +1,7 @@
 # Change prefix key to `
 unbind C-b
-set-option -g prefix `
+set -g prefix C-a
+bind C-a send-prefix
 
 # 0 is too far from ` ;)
 set -g base-index 1

.vimrc.symlink

@@ -7,10 +7,9 @@ set guifont=Ubuntu\ Mono\ 12
 
 
 "=====================================================================
-" Load plugins
+" Load plugins using plug.vim (https://github.com/junegunn/vim-plug)
 "=====================================================================
 call plug#begin('~/.vim/plugged')
-
 Plug 'jlanzarotta/bufexplorer'
 Plug 'kien/ctrlp.vim'
 Plug 'tpope/vim-fugitive'
@@ -22,7 +21,6 @@ Plug 'scrooloose/syntastic'
 Plug 'majutsushi/tagbar'
 Plug 'tpope/vim-unimpaired'
 Plug 'altercation/vim-colors-solarized'
-
 call plug#end()
 
 "=====================================================================

install.sh

@@ -11,6 +11,5 @@ git clone https://github.com/hdemers/dotfiles.git $HOME/.dotfiles
 
 cd $HOME/.dotfiles
 ./symlink --create-paths --overwrite-all
-git submodule init && git submodule update
 
 cd