Removed unnecessary -rf option for symlinks to .htaccess and robots.txt.

	modified:   mysite.config.yml
Updated symlink logic. Travis CI can't change directories.

	modified:   site_make.drush.inc
	deleted:    projects/site_make/README.md
	deleted:    projects/site_make/site_make.drush.inc
Added site_make subtree from https://github.com/bryanhirsch/site_make.

git-subtree-dir: projects/site_make
git-subtree-mainline: ad66f86149b6ed08020a934f803e0c467a060054
git-subtree-split: a744ee190e42dc5f3df1125721cb5336382ab06c
Added custom commit message for subtree-add.

	modified:   mysite.config.yml
Updated site_make config. Travis CI can't change directories.

	modified:   mysite.config.yml
	modified:   testsite.config.yml