javascript: make FFI work with HOFs
javascript: fix semicolons
javascript: handle tailcalls for FFI
javascript: assign HOFs properly
javascript: handle arrays correctly in FFI
javascript: address fields directly via ['fieldname']
Fix Data.Bits: properly convert to machine-buitin types everywhere.
Fix Codegen: Shr is now called LShr, emit that.
Merge branch 'master' of git://github.com/edwinb/Idris-dev
Merge pull request #322 from raichoo/javascript

javascript: make FFI work with HOFs
Merge pull request #324 from andreas23/master

Fix for Data.Bits