Added supertab plugin

tmux.conf

@@ -2,6 +2,9 @@
 set-option -g prefix C-a
 bind-key C-a last-window
 
+# set default shell
+set-option -g default-shell /bin/zsh 
+
 # Window size constraints
 setw -g aggressive-resize on
 

vimrc

@@ -57,6 +57,7 @@ Bundle 'fholgado/minibufexpl.vim.git'
 Bundle 'Lokaltog/vim-powerline.git'
 Bundle 'Lokaltog/vim-distinguished.git'
 Bundle 'scrooloose/nerdtree.git'
+Bundle 'ervandew/supertab.git'
 
 " toggle showing nerd-tree
 :nmap <leader>e :NERDTreeToggle<CR>