Some updates to improve mintJoomla

Depot Section:

• in items list add logo in left side of each item, hide unknown or replace it with download url of item
• also add please 3 modules in bottom of depot section: last added , top items, recently updated

Minjoomla Homepage:

• add 4 modules (gives a good feeling that community is active)
  • Latest topics forum
  • Latest Clients
  • New depot items
  • Updated depot items
• Update title tag and metadata (for now show "extensions", and meta description in google show "www.mintjoomla.com is not affiliated....")
• Add social media icons (fb, twitter, linkedin, g+)

We love your products and i hope that u can do this changes :)

Thanks.