Merge tag '0.4.6' into develop

0.4.6
add note to README regarding Capistrno 2 vs 3, Related to #6
add commented out example of how to create additional shared directories
Version bump to 0.4.7
lowercase when require

require "Shellwords" is not working, changing to require 'shellwords'
Merge pull request #7 from crowdfavorite/feature/enhance-setup

Add common example of additional shared directories to capify templates
allow omission of WordPress core install
0.4.7 gemspec
Merge branch 'release/0.4.7'