Ignore .jcamenisch files as well as directories in git repos
Match bare directory in cdu/cdg aliases
Install tpope's 'vinegar' vim tweaks for file navigation
Automatically trim trailing whitespace in vim

But only for known source file types (This list could have been longer
    or shorter; I stuck with stuff I'm fairly familiar with or at least
    might run into in the foreseeable future)
Vim tweaks: paste auto-handling & split tweaks