personalization, removed ruby, ubuntu environment additions

Was getting an error in ubuntu for [push] default set to simple - changed to upstream

friggen .AppleDoubles

show server name in prompt

directory listings & specific aptup ubuntu command

Started Conky Setup. Like it minimal

whoami and where am I adjustment

no need for whoami - used proper zsh escape sequences

updated README

deleted all the ruby stuff

Fix git status so we know we are in a git repository in subdirectories as well, not just when in the top level of the repo.

Conflicts:
	zsh/prompt.zsh

Fixing Homebrew URL

The url is outdated
Conflicts:
	homebrew/install.sh

Replace "." with "source" in script/bootstrap

.md wins

Homebrew now asks for user input. Hat-tip: https://github.com/thomaswelton/dotfiles/commit/13869483e67cb486b6dc3d2368fe7c39b1b2307b

Determine DOTFILES_ROOT correctly

and cd into it. This fixes git setup.

Minor tweaks

Use $(...) instead of backquotes which is not only POSIX-compatible but
is way more readable and nests properly.
Be more generous with quotes (just in case) and less generous with backslashes.

Fix bootstraping broken in #142

Conflicts:
	script/bootstrap

php autoinstall on brew
Merge branch 'master' of github.com:deegs/dotfiles