#1936
#1936
#1729 null dates working for Oracle
#1936
#1936
#1936
Merge pull request #2003 from dotCMS/issue-1729-date-fields-accept-null

#1729 null dates working for Oracle
Fixed overwritten #1749
Fixed overwritten #1749
fixes #1970
Merge pull request #2004 from dotCMS/issue-1970-saved-only-content-not-saving-cats

fixes #1970
#1936
#1936
fixes #1779
Merge pull request #2006 from dotCMS/issue-1779-cannot-copy-or-edit-language-files-in-WebDav

fixes #1779
#2007
#2008
cleaned up web.xml by removing salesforce mappings
#1936
#1936