Updating DateFormatter + RData Date-types

Now added:

Date:
* yyyy-MM-dd

Date time:
* yyyy-MM-dd HH:mm:ss.SSS z
* yyyy-MM-dd HH:mm:ss.SSS
* yyyy-MM-dd HH:mm:ss z
* yyyy-MM-dd HH:mm:ss
Add searching on email and first name to the all users page
Add searching on email and first name to the all users page
Improve homepage performance by adding native query to get count of released DVs
Fix issue with Browse DV links, update inner title, get counts for released dvs of parent classifications
Adding a half-finished implementation of DateTime fixes... 

Needs some smarter logic to handle ALL cases. not just:
YYYY-MM-dd
YYYY-MM-dd hh:mm:ss
Wired IceFaces PanelPopup to the template_study for the download multiple ZIP files functionality. [ref 2519]
Merge branch 'develop' of github.com:IQSS/dvn.git into develop
Fixing String Missing Value UNF
Restoring SAVFileReaderc
Merge branch 'develop' of https://github.com/IQSS/dvn into develop
Minor layout clean up on the BrowseDataversesPage, StudyListingPage, ManageStudiesFragment. [ref 2770]
Merge branch 'develop' of github.com:IQSS/dvn.git into develop
Cleaned up the code to fix bug #2519
Cleaned up the code to fix bug #2519
Merge branch 'develop' of https://github.com/IQSS/dvn.git into develop
Cleaned up some layout issues on the template_study popup for the download multiple ZIP files functionality. [ref 2519]
prevent Lucene versionNumber match, add try/catch, fixes #2683
Update Database to add download count to network stats and template "displayOnCreateDataverse"
Improve performance of homepage and study listing page by caching lists the most recently released and most downloaded studies.  Also add default template to the create dataverse workflow. And add download count to network stats for display on home page.