vimrc: Use ctrl-[hjkl] for window jumping
vimrc: Don't explicitly set nocompatible

Vim sets nocompatible automatically anytime a vimrc file is found,
so it's completely redundant to specify it in a vimrc file.
vimrc: Add ctrlp config

Use .acignore rootmarker for AccuRev.
Ignore class, exe, dll, and zip files.