Added json prettifier alias

bashrc

@@ -93,6 +93,7 @@ alias vimdiff='vim -d -c "colorscheme desert"'
 alias ydiff='diff -y -W 196 --left-column'
 alias v='gpicview'
 alias avg="awk '{a+=\$1} END{print a/NR}'"
+alias json='python -mjson.tool'
 
 function tm () {
     `which time` -f %e $* > /dev/null