Move WP to htdocs subdir
Customize Heroku dyno instance

* Added Procfile to run custom boot script for web dynos
* Added custom boot script to customize httpd.conf to allow for more
  concurrent connections. Also reset webroot to new htdocs subdir.
* Added empty index.php so Heroku can detect the tech stack.
Revert "Add plugin core-control"

This reverts commit 72ee611da2b540aefdd692f4f3d716ed5e199210.

Conflicts:
	htdocs/wp-content/plugins/core-control/core-control.php
	htdocs/wp-content/plugins/core-control/modules/core_control_cron.php
	htdocs/wp-content/plugins/core-control/modules/core_control_filesystem.php
	htdocs/wp-content/plugins/core-control/modules/core_control_http.php
	htdocs/wp-content/plugins/core-control/modules/core_control_http_log.php
	htdocs/wp-content/plugins/core-control/modules/core_control_updates.php
	htdocs/wp-content/plugins/core-control/readme.txt
	htdocs/wp-content/plugins/core-control/screenshot-1.png
	htdocs/wp-content/plugins/core-control/screenshot-2.png
	htdocs/wp-content/plugins/core-control/screenshot-3.png
	htdocs/wp-content/plugins/core-control/screenshot-4.png
	htdocs/wp-content/plugins/core-control/screenshot-5.png
	htdocs/wp-content/plugins/core-control/screenshot-6.png