added lesscss plugin

plugins/lesscss/lesscss.plugin.zsh

+# basics taken from here:
+# http://www.ravelrumba.com/blog/watch-compile-less-command-line/comment-page-1/#comment-2464
+# Requires watchr: https://github.com/mynyml/watchr
+
+watchless () {
+    compressed=0
+    compile=""
+    
+    while getopts ":xc:h" option
+    do
+      case $option in
+        x ) compressed=1 ;;
+        c ) compile=$OPTARG ;;
+        h ) _watchless_usage; return ;;
+      esac
+    done
+    
+    if [ $compressed -eq 1 ]; then
+        x=' -x'
+    else
+        x=''
+    fi
+    
+    if [ -n "$compile" ]; then
+        if [ ! -e $compile ]; then
+            echo "\033[337;41m\n$compile doesn't exist!\n\033[0m"
+            return
+        fi
+        
+        name=$(echo $compile | cut -d . -f 1)
+        
+        watchr -e 'watch(".*\.less$") { |f| system("lessc '$name'.less > '$name'.css'$x' && echo \"'$name'.less > '$name'.css\" ") }'
+    else
+        watchr -e 'watch(".*\.less$") { |f| system("lessc #{f[0]} > $(echo #{f[0]} | cut -d\. -f1).css'$x' && echo \"#{f[0]} > $(echo #{f[0]} | cut -d\. -f1).css\" ") }'
+    fi
+}
+
+_watchless_usage () {
+    echo "Usage: watchless [options]"
+    echo
+    echo "Options"
+    echo "  -x   Compiles less files into minified css files"
+    echo "  -c   Watch all files but compile only the one given here"
+    echo "  -h   Get this help message"
+    return
+}