Log message:
www/ruby-rack15: remove pacakge

There is no pacakge to use this specific version of rack package.

Log message:
Add SHA512 digests for distfiles for www category

Problems found locating distfiles:
	Package haskell-cgi: missing distfile haskell-cgi-20001206.tar.gz
	Package nginx: missing distfile array-var-nginx-module-0.04.tar.gz
	Package nginx: missing distfile encrypted-session-nginx-module-0.04.tar.gz
	Package nginx: missing distfile headers-more-nginx-module-0.261.tar.gz
	Package nginx: missing distfile nginx_http_push_module-0.692.tar.gz
	Package nginx: missing distfile set-misc-nginx-module-0.29.tar.gz
	Package nginx-devel: missing distfile echo-nginx-module-0.58.tar.gz
	Package nginx-devel: missing distfile form-input-nginx-module-0.11.tar.gz
	Package nginx-devel: missing distfile lua-nginx-module-0.9.16.tar.gz
	Package nginx-devel: missing distfile nginx_http_push_module-0.692.tar.gz
	Package nginx-devel: missing distfile set-misc-nginx-module-0.29.tar.gz
	Package php-owncloud: missing distfile owncloud-8.2.0.tar.bz2

Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden).  All existing
SHA1 digests retained for now as an audit trail.

Log message:
Update ruby-rack15 to 1.5.5, security fixes.

* Fix CVE-2014-9490.
* Fix CVE-2015-3225.
* Only count files (not all form elements) against the Multipart File Limit.

Log message:
Add ruby-rack version 1.5.2 package as ruby-rack15 package and utilize
--format-executable option of rubygems to reduce conflicts.