Open stream and homepage links in new tabs/windows

Otherwise we "close" the app, which is uncool
Merge pull request #348 from fsateler/links-blank

Open stream and homepage links in new tabs/windows
update README and screenshots
fix client showing filter without filtered results when server restarts

closes #185
fix auto pause behavior and add event
depend on my fork of findit

fixes a findit bug allowing us to remove the hack in
a0868ec9baff94e5e65fe2ad6564cabe2e08585a

also fixes symlink support in music folder. fixes #338
bump browserify-lite dependency
import by url: respect content-disposition header

closes #179
use more robust content-disposition module
fix config.js entry in .npmignore
rewrite uploading and importing code

 * uploaded files are imported in a streaming fashion instead of after
   all files are finished uploading. closes #310
 * fixes an uploading crash. closes #309
 * adds ability to import and upload zip files. closes #48
 * auto queue happens server side. closes #336
deleted commented out code
zip import/export improvements

 * RFC-compliant content-disposition header on download
 * fix not deleting .zip file on import
 * fix zip import race condition
play queue displays total duration. closes #283
yauzl 2.0.2 doesn't double emit errors
watch for readStream error event right away to avoid race conditions
fix importStream cleanup code
add progress bar for imports

closes #73
also fixes #354
fix import by url not auto queuing in correct order

closes #356
importing fixups