Delete download flag

- Delete flags and reference to download flag in README
- Delete flag from help and man pages

Issue: #37
Update clone help file

Help file was sourcing an incorrect path, hardcode the full path until I
find a way to expose a public variable or a better solution

Issue: #37
Update osxdefaults

- Delete killall Terminal.  It doesn't make any sense when running the
  script that it wipes out the Terminal and restarts it.
- Create placeholder for running a script that will list all of the
  applications that need to be installed from the Mac App store

Issue: #37
Update bash aliases

Alias for Google Chrome needs to have the quotes escaped in order to
run.

Issue: #37
Update $PATH & $MANPATH

- Update $MANPATH with coreutils and library man pages
- Update $PATH with homebrew-php tap location and /sbin location

Issue: #37
Update brew installation script

Delete and/or suppress the error that gets shown when the brew formulae
is not found.

Issue: #37
Update php lib script

- Update & upgrade brew before installing PHP 5.5
- Change file mode to be executable before moving/renaming file
- Update location of wp script to /usr/local/bin so it doesn't need to
  checked into repository

Issue: #37
Create help script for bash_update

Since the `bash_update` script runs the install script with some flags,
point to the install help file.

Issue: #37
Update install script

- Update some verbage on Pip installation, & install script
- Create todo for `change_shell` script to remind me to update with
  single-line ViM update
- Update workflow for various install/update points; only ask if user
  wants to set flags when install or update, not for sync, package
  install, apps or font installation
- Update install script with restart command; included is a seek &
  confirm workflow

Issue: #37
Update CHANGELOG

Issue: #37