Merge pull request #629 from fetep/fixes/scripts

auto-fix PATH for uglifyjs, and exit on errors

scripts/compress.sh

@@ -2,6 +2,8 @@
 
 cd $(dirname "$0")/..
 
+export PATH=$PWD/node_modules/.bin:$PATH
+
 UGLIFY=`which uglifyjs 2> /dev/null`
 if [ ! -x "$UGLIFY" ]; then
     echo "uglifyjs not found in your path.  Have you npm installed lately?"
@@ -16,6 +18,8 @@ fi
 
 UGLIFYCSS=`pwd`'/node_modules/uglifycss/uglifycss'
 
+set -e  # exit on errors
+
 echo ''
 echo '****Compressing include.js****'
 echo ''