re-implement the functionarity to display recent submission on site home
Removing unnecessary configuration options
DS-1627 Ability to turn off TopCommunities list in site home page
Merge pull request #2 from abollini/DS-831

removed unnecessary configuration options and move topcommunties in a separate processor
add a plugin comment for Lucene
Merge pull request #280 from zuki/DS-831-2

[DS-831] Recent items addon : Listing of most recently added items to DSpace