fixed strict standards warnings in plugins and added better https detection to the uri class
fixed a serious bug in the uri class
Moved all legacy class adapters to the legacy folder.

This can be removed later, when legacy stuff is no longer needed. It's also easier to autoload those classes without loading them all at once.
New Asset class, new Exif handling for all images, new default file filters.
Fix URL of site to be just '.'.
Merge pull request #5 from vis7mac/urlfix

Fix URL of site to be just '.'.