They're mainly just warnings stemming from dependencies—it compiles just fine in Xcode 6.1.1 after running git submodule update --init and force-unwrapping a bunch of optionals.
Interestingly, it appears to do everything BUT display web pages at this point! Looks very preliminary.
https://www.dropbox.com/s/o5kmot2fg6i7wmx/Screenshot%202014-...