added checks for local override files

tmux/.tmux.conf

@@ -44,6 +44,10 @@ bind m \
 bind M \
     set-option -g mouse off \;\
     display 'Mouse: OFF'
+
+##File for Local Overrides, if needed
+if-shell "[ -f ~/.tmux_local.conf ]" 'source ~/.tmux_local.conf'
+
 #plugin settings
 # Prefix Highlight: 'L' for left only, 'R' for right only and 'LR' for both
 set -g @tmux_power_prefix_highlight_pos 'LR'

vim/.spacevim

@@ -37,6 +37,11 @@ function! UserConfig()
   " Override the default settings.
   " Uncomment the following line to disable relative number.
   " set norelativenumber
+"File for Local Overrides
+let $LOCALFILE=expand("~/.vimrc_local")
+if filereadable($LOCALFILE)
+  source $LOCALFILE
+endif
 
   " Adding extras.
   " Uncomment the following line If you have installed the powerline fonts.