Fix empty CDATA for textarea elements. RE: #2040
Don't store empty textarea/author values. Fixes #2181
Release 2.5.0-rc.2. Closes #2183
Fixes #2189
Be stricter when constructing queries throughout the core. RE: #2190
Merge branch 'integration' of github.com:symphonycms/symphony-2 into integration
Update System Modified Date to System Modification Date for consistency. RE: #2188
Remove System Author grouping from Datasources. It has never worked. RE: #2188
Fix Author field grouping when there is no value. Fixes #2187
Allow events to proceed if they don't contain a 'fields' array because a delegate might be registered to do something useful anyway. Fixes #2186
Fix some typos introduced in 7b74a6e68c89d92c0f7e37daaae821cbe89c3816
Fix deleting entry data when editing an entry.
Merge pull request #2193 from michael-e/integration

Fix deleting entry data when editing an entry.