Add new shortcode_atts() parameter

see: http://markjaquith.wordpress.com/2013/04/04/wordpress-36-shortcode-attribute-filter/
Merge pull request #1408 from sumobi/master

Add new shortcode_atts() parameter
Pass $atts with edd_downloads_query
Merge pull request #1409 from sumobi/master

Pass $atts with edd_downloads_query
Fix: chosen input field height bug and other CSS styling
[i18n]> welcome.php ready for translations again
Merge pull request #1411 from michael-cannon/master

Issue #1403 PHPUnit test page update
[i18n]> New pot file created with WordPress tools make.pot
[i18n]> Remove strings.php cause make.pot doesn't need it
Merge pull request #1410 from sumobi/master

Fix: chosen input field height bug and other CSS styling
Merge pull request #1412 from fxbenard/master

[i18n]> Pot update using WordPress tools make.pot
Update Finnish translations.
Localize Add to Cart and Buy Now strins.
Merge pull request #1413 from samikeijonen/master

Update Finnish translations.
Fix #1414
Merge branch 'master' of github.com:easydigitaldownloads/Easy-Digital-Downloads
[i18n]> french welcome page ready
Typo correction
[i18n]> updates french translations for 1.7.2
Add Finnish translation to readme file.