Merge pull request #36 from dotlambda/master

Source $XDG_CONFIG_HOME/cdm/cdmrc as third option

README.md

@@ -14,6 +14,7 @@ existing one:
 
     [RCFILE specified on command line]
     $HOME/.cdmrc
+    $XDG_CONFIG_HOME/cdm/cdmrc
     /etc/cdmrc
 
 To autostart cdm when you log in your account, copy the content of

src/cdm

@@ -65,6 +65,8 @@ if [[ -n "$1" ]]; then
     fi
 elif [[ -f "$HOME/.cdmrc" ]]; then
     source "$HOME/.cdmrc"
+elif [[ -f "$XDG_CONFIG_HOME/cdm/cdmrc" ]]; then
+    source "$XDG_CONFIG_HOME/cdm/cdmrc"
 elif [[ -f /etc/cdmrc ]]; then
     source /etc/cdmrc
 fi