Version bump to 0.9.1.pre
Added grant number to the About page, closes #50.
Forum uses identicons for users who do not have a gravatar set, closes #48.
Folder names in breadcrumbs are no longer gray, addresses #49.
Dataset variables index now displays 100 variables per page, up from 50
Variable image action should also be excluded from being stored
Folder names in breadcrumbs are no longer gray, addresses #49.
Improved font weight on about page
Version 0.9.1 finalized