Fixed issue #57 "Minor bug in joStack Scoller"
build.bat now finds minify anywhere in PATH instead of CWD
Deleted .DS_Store files and added .gitignore
Removed built files jo.js and jo_min.js and added their names to .gitignore in order to prevent unnecessary Git action
Merge pull request #66 from k5e/master

Fixed issue #57 "Minor bug in joStack Scoller"