.aliases: Add `chromekill` to kill all Chrome tabs to free up memory

Useful when you have a lot of tabs open (which I always do), but you don’t want to close them.

Tabs in Chrome are just processes, so we just filter out the ones we want, and kill them.

Closes #236.
.osx: `~/.CFUserTextEncoding` can break several Adobe apps

Ref. #237.
.gitconfig: Add comment about `color.ui` in Git ≥ 1.8.4

Ref. #239.
.gitconfig: Add note about whitespace defaults

Closes #256.
.functions: Add `m` to open stuff in TextMate

Closes #253.
.functions: Add `s` to open stuff in Sublime Text

Closes #252.
.functions: Add `v` to open stuff in Vim

Closes #251.
.bash_profile: Make sure only files get sourced

Closes #250.
.functions: Add `o` to `open` stuff

Closes #245.
Add .path, .extra, bin/mvim

.path specify the $PATH and other essential variable. It's important
that it will be sourced along with other files, before any feature
testing is takes place.
.extra set other custom commands, and it can override settings.
bin/mvim can start MacVim from command line.
make custom changes of .osx from forked repo

change computer name
Menu bar: doesn't disable transparency
Menu bar: doesn't hide the useless Time Machine and Volume icons
doesn't Always show scrollbars
doesn't Disable the “Are you sure you want to open this application?”
dialog
doesn't Disable Resume system-wide
doesn't Never go into computer sleep mode
Set hibernate mode to 0
remove sleepimage
Set apache auto start
Trackpad: doesn't map bottom right corner to right-click
Trackpad: doesn't swipe between pages with three fingers
Trackpad: doesn't Disable “natural” (Lion-style) scrolling
Set language and text formats
Set the timezone
doesn't Disable disk image verification
Use columns view in all Finder windows by default
doesn't Remove Dropbox’s green checkmark icons in Finder
Dock: Enable magnification
other application settings
make custom changes of .brew from forked repo

Install bash completion in the beginning
doesn't install ringojs and narwhal
Install php54 --with-mysql
Install php54-xdebug
Install rbenv, ruby-build
export QTDIR, add QTDIR/bin to PATH
add some qt tool alias
disable time machine local backup
mpdify update aliases in osx
alias p to ~/Repos, s to svn
run `rbenv rehash` after `gem update`
install qt by homebrew
remove auto-text in .gitattributes
modify .osx