Gallery 1.4.4

	* [Feature] Added a preview file for non-images.
	* Optimized the controllers a little bit.  They forms are now using the builtin system for page
	  management.
	* Switched the images to use the new metadata system available in 2.6.0.
	* Removed location as an editable field.  Candidate for complete removal.
	* Removed date taken as an editable field.  Candidate for complete removal.