[DS-1613] Porting curation task administrative UI to JSPUI
extracts the common codes to a file and includes it.
moved the variable result to the include file
added a license notice
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
Copy service code from abandoned DS-1182 attempt.
Clean up unused imports
Get tests to run
Add configuration setting to name the mail Session object to be sought from JNDI
Make DSpace actually use EmailService
Remove imports no longer used
Add some imports lost in conflict resolution after rebasing
Merge pull request #280 from zuki/DS-831-2

[DS-831] Recent items addon : Listing of most recently added items to DSpace
DS-1632 adding missing abstract into to XOAI QDC crosswalk
[DS-1613] Porting curation task administrative UI to JSPUI
extracts the common codes to a file and includes it.