Fix grc.bash to add new commands

conf.diff

@@ -20,5 +20,5 @@ count=more
 =======
 # lines affected
 regexp=^@@ .* @@$
-colours=magenta
+colours=cyan
 count=more

grc.bashrc

@@ -2,14 +2,26 @@ GRC=`which grc`
 if [ "$TERM" != dumb ] && [ -n "$GRC" ]
 then
     alias colourify="$GRC -es --colour=auto"
+    alias blkid='colourify blkid'
     alias configure='colourify ./configure'
+    alias df='colourify df'
     alias diff='colourify diff'
+    alias docker='colourify docker'
+    alias docker-machine='colourify docker-machine'
+    alias du='colourify du'
+    alias env='colourify env'
+    alias free='colourify free'
     alias make='colourify make'
     alias gcc='colourify gcc'
     alias g++='colourify g++'
+    alias ip='colourify ip'
+    alias iptables='colourify iptables'
     alias as='colourify as'
     alias gas='colourify gas'
     alias ld='colourify ld'
+    alias ls='colourify ls --color'
+    alias lsblk='colourify lsblk'
+    alias lspci='colourify lspci'
     alias netstat='colourify netstat'
     alias ping='colourify ping'
     alias traceroute='colourify /usr/sbin/traceroute'
@@ -19,5 +31,4 @@ then
     alias mount='colourify mount'
     alias ps='colourify ps'
     alias mtr='colourify mtr'
-    alias df='colourify df'
 fi