prepping homebrew_cask for quick bootstrapping

adapted osxc’s homebrew roles to prep cask, without /Apps redirection,
added targeting release 2.0.0 dockutil tag, added gitignore for
py[c,o,d] files
remove other items undesirable for public repo
Revert "remove other items undesirable for public repo"

This reverts commit 20a35a74f9bdb68445642dcb12db737cdf3e8aa0.
fixed gitignore again
Merge branch 'master' of https://github.com/arubdesu/xc-custom

Conflicts:
	.gitignore