refined UI.
changed json({}) to json();
refined upload.
fixed count users bug.
changed upload directory vars.
added l.pass.
added photol, checkUpdatable.
changed samples.
added magick.js.
changed res.json() to res.json({}).
changed versions generating method.
updated htmls.
escaped user name on url.
fixed sending btn bug when uploading big.
merged magick.js to photo.js.