* Added keyword `field'
* Keywords get different highlighting than types
* Added a simple attempt at multi-line C-style comments with FIXME
README:
* Added note about symlinking an entire directory ~/.vim/syntax
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7733 91177308-0d34-0410-b5e6-96231b3b80d8