Merge pull request #43 from sergiobenrocha2/mimes

Fixed wrong javascripts mime types
Merge pull request #44 from sergiobenrocha2/categories

More categories icons
Merge pull request #45 from sergiobenrocha2/actions

More actions icons
fixed shadow in play icon(24 px) and added multimedia-video-player.svg in apps/22
Merge pull request #42 from sergiobenrocha2/apps

More apps icons and upstream update
Add symlink to drive-harddisk-system (Workaround for Issue #46)
Add new-messages-red from Humanity
96px empty file mime
Fix 22px html mime
16px changelog icon
Fix fuzziness in 48px image icon
Merge branch 'master' of https://github.com/sergiobenrocha2/elementary-xfce