replace slate screenshot. #6458
#6359: Quick isset test to prevent fatals.
Merge pull request #6474 from openscholar/6359-fatal_error

Quick isset test to prevent fatals.
Update drupal core to fix XML security bug.
Merge pull request #6478 from openscholar/6477

Update drupal core to fix XML security bug.
add back background color to headings in node form settings - right side.
fix link color discrepancies. #6482
fix see also collapsed state. #6481
add important declar to sprite reference so it doesnt get overridden by addthis service. #6485
fixed small add this sprit - removed important declar. #6485
Fix vibrant override of georgia font in os harvard theme
Fix fatal errors from  altering.
Merge pull request #6488 from openscholar/6487

Fix fatal errors from  altering $map
Remove clone method and keep from calling load functions on already loaded objects
Merge pull request #6491 from openscholar/6487

Remove clone method and keep from calling load functions on already loaded objects