Make predb template easier to maintain, add changes to other themes and fix for showing the size, add N/A when no size or no category.
Change predb page to show all info to all users, put rest of the changes in all the themes (nzbindex/binsearch icons, N/A when no category or size, fix for some sizes not showing, more category links, usenet-crawler link, requestid link).
Use defined category names in predb template to make it look better.
Add even more category parsing to predb templates.
Fix register bug in alpha theme.
Merge pull request #423 from nZEDb/dev

Dev