improved style

Signed-off-by: Guyzmo <guyzmo+github@m0g.net>
improved search and added main page caching

Signed-off-by: Guyzmo <guyzmo+github@m0g.net>
added search support
added return to list from show view
added open to external url support (WIP)
made the URL box into search box
made progress bar and start button appear only on show view

Signed-off-by: Guyzmo <guyzmo+github@m0g.net>
bump version to 1.3
improved css
updated readme